[ { "S11100": { "specs": { "SKU": "S11100", "UPC": "050234111003", "Optical Info": { "Optical Design": "ED Doublet", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/FPL-53(ED)", "True Aperture (mm)": "80", "Primary Aperture (mm)": "80", "Primary Edge Thickness": "N/A", "F/Ratio": "7.5", "Focal Length (mm)": "600", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "1.45", "Rayleigh Limit": "1.75", "Limiting Mag.": "12", "Minimum Magnification": "11", "Maximum Magnification": "157", "Light Gathering (compared to next size down)": "24%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "22.5\"", "OTA Outer Diameter": "4.5625\"", "OTA Weight (with accessories)": "7.3", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "2\" Dielectric ", "Mounting Accessories": "Rings/V-Rail", "Included Eyepieces": "25mm LET/5 Planetary", "Magnification w/ Included Eyepieces": "30x/120x", "Included Case": "Yes", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11120": { "specs": { "SKU": "S11120", "UPC": "050234111201", "Optical Info": { "Optical Design": "ED Doublet", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/FPL-53(ED)", "True Aperture (mm)": "100", "Primary Aperture (mm)": "100", "Primary Edge Thickness": "N/A", "F/Ratio": "9", "Focal Length (mm)": "900", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "1.16", "Rayleigh Limit": "1.4", "Limiting Mag.": "12.5", "Minimum Magnification": "14", "Maximum Magnification": "197", "Light Gathering (compared to next size down)": "56%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "34\"", "OTA Outer Diameter": "4.5625\"", "OTA Weight (with accessories)": "8.4", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "2\" Dielectric ", "Mounting Accessories": "Rings/V-Rail", "Included Eyepieces": "25mm LET/5 Planetary", "Magnification w/ Included Eyepieces": "45x/180x", "Included Case": "Yes", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11130": { "specs": { "SKU": "S11130", "UPC": "050234111300", "Optical Info": { "Optical Design": "ED Doublet", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/FPL-53(ED)", "True Aperture (mm)": "120.5", "Primary Aperture (mm)": "120", "Primary Edge Thickness": "N/A", "F/Ratio": "7.5", "Focal Length (mm)": "900", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "0.97", "Rayleigh Limit": "1.16", "Limiting Mag.": "12.9", "Minimum Magnification": "17", "Maximum Magnification": "236", "Light Gathering (compared to next size down)": "44%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "36\"", "OTA Outer Diameter": "5.625\"", "OTA Weight (with accessories)": "13.9", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "2\" Dielectric ", "Mounting Accessories": "Rings/V-Rail", "Included Eyepieces": "25mm LET/5 Planetary", "Magnification w/ Included Eyepieces": "45x/180x", "Included Case": "Yes", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11170": { "specs": { "SKU": "S11170", "UPC": "050234111706", "Optical Info": { "Optical Design": "ED Doublet", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "N/A", "True Aperture (mm)": "50", "Primary Aperture (mm)": "50", "Primary Edge Thickness": "N/A", "F/Ratio": "4.8", "Focal Length (mm)": "242", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "2.32", "Rayleigh Limit": "2.79", "Limiting Mag.": "11", "Minimum Magnification": "9", "Maximum Magnification": "98", "Light Gathering (compared to next size down)": "N/A" }, "General Info": { "Focuser": "1.25\" Helical", "OTA Length (Retract/Ext.)": "10.5\"", "OTA Outer Diameter": "2.2\"", "OTA Weight (with accessories)": "1.9", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "N/A", "Included Diagonal": "N/A", "Mounting Accessories": "Guide Rings", "Included Eyepieces": "N/A", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11180": { "specs": { "SKU": "S11180", "UPC": "050234111805", "Optical Info": { "Optical Design": "ED Doublet", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "N/A", "True Aperture (mm)": "72", "Primary Aperture (mm)": "72", "Primary Edge Thickness": "N/A", "F/Ratio": "5.9", "Focal Length (mm)": "420", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "1.61", "Rayleigh Limit": "1.94", "Limiting Mag.": "11.7", "Minimum Magnification": "10", "Maximum Magnification": "142", "Light Gathering (compared to next size down)": "N/A" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "16.5\"", "OTA Outer Diameter": "3.5\"", "OTA Weight (with accessories)": "4.3", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "N/A", "Included Diagonal": "N/A", "Mounting Accessories": "Rings/V-Rail", "Included Eyepieces": "N/A", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "Yes", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11190": { "specs": { "SKU": "S11190", "UPC": "050234111904", "Optical Info": { "Optical Design": "ED Doublet", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "N/A", "True Aperture (mm)": "150", "Primary Aperture (mm)": "150", "Primary Edge Thickness": "N/A", "F/Ratio": "8", "Focal Length (mm)": "1200", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Mag.": "13.3", "Minimum Magnification": "21", "Maximum Magnification": "295", "Light Gathering (compared to next size down)": "71%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "50.5\"", "OTA Outer Diameter": "7.1\"", "OTA Weight (with accessories)": "20.5", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "N/A", "Included Diagonal": "N/A", "Mounting Accessories": "Rings/V-Rail", "Included Eyepieces": "N/A", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "Yes", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11195": { "specs": { "SKU": "S11195", "UPC": "050234111959", "Optical Info": { "Optical Design": "ED Doublet", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "N/A", "True Aperture (mm)": "150", "Primary Aperture (mm)": "150", "Primary Edge Thickness": "N/A", "F/Ratio": "8", "Focal Length (mm)": "1200", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Mag.": "13.3", "Minimum Magnification": "21", "Maximum Magnification": "295", "Light Gathering (compared to next size down)": "71%" }, "General Info": { "Focuser": "3.4\" Dual Speed R & P ", "OTA Length (Retract/Ext.)": "50.5\"", "OTA Outer Diameter": "7.1\"", "OTA Weight (with accessories)": "22", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "N/A", "Included Diagonal": "N/A", "Mounting Accessories": "Rings/D-Rail", "Included Eyepieces": "N/A", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "Yes", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11205": { "specs": { "SKU": "S11205", "UPC": "050234112055", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Protected Aluminum coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "150mm", "Primary Edge Thickness": "", "F/Ratio": "3.9", "Focal Length (mm)": "600", "Secondary Diameter": "64mm", "Secondary Obstruction (by diameter)": "42%", "Secondary Obstruction by Area": "18%" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Mag.": "13.36", "Minimum Magnification": "21x", "Maximum Magnification": "295x", "Light Gathering (compared to next size down)": "40% (compared to 5\" telescope)" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "22\"", "OTA Outer Diameter": "7.25\"", "OTA Weight (with accessories)": "12.6 pounds", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "6x30 Finder", "Included Diagonal": "No", "Mounting Accessories": "Mounting Rings/Dovetail", "Included Eyepieces": "22mm 70 degree 1.25\"", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "No", "Corrector": "Yes" }, "Shipping Weights & Dimensions": {} } }, "S11210": { "specs": { "SKU": "S11210", "UPC": "050234112109", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "203", "Primary Edge Thickness": "", "F/Ratio": "4", "Focal Length (mm)": "800", "Secondary Diameter": "70mm", "Secondary Obstruction (by diameter)": "34%", "Secondary Obstruction by Area": "12%" }, "Observational Info": { "Dawes Limit": "0.57", "Rayleigh Limit": "0.69", "Limiting Mag.": "14", "Minimum Magnification": "29", "Maximum Magnification": "400", "Light Gathering (compared to next size down)": "78%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "28\"", "OTA Outer Diameter": "9.375\"", "OTA Weight (with accessories)": "21", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "Rings/V-Rail", "Included Eyepieces": "None", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "No", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11220": { "specs": { "SKU": "S11220", "UPC": "050234112208", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "257", "Primary Aperture (mm)": "254", "Primary Edge Thickness": "", "F/Ratio": "4", "Focal Length (mm)": "1000", "Secondary Diameter": "89mm", "Secondary Obstruction (by diameter)": "35%", "Secondary Obstruction by Area": "12%" }, "Observational Info": { "Dawes Limit": "0.46", "Rayleigh Limit": "0.55", "Limiting Mag.": "14.5", "Minimum Magnification": "36", "Maximum Magnification": "500", "Light Gathering (compared to next size down)": "57%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "36.5\"", "OTA Outer Diameter": "11.375\"", "OTA Weight (with accessories)": "36.5", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "Rings/V-Rail", "Included Eyepieces": "None", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "No", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11230": { "specs": { "SKU": "S11230", "UPC": "050234112307", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "305", "Primary Edge Thickness": "38mm", "F/Ratio": "4", "Focal Length (mm)": "1200", "Secondary Diameter": "102mm", "Secondary Obstruction (by diameter)": "33%", "Secondary Obstruction by Area": "11%" }, "Observational Info": { "Dawes Limit": "0.38", "Rayleigh Limit": "0.46", "Limiting Mag.": "14.9", "Minimum Magnification": "43", "Maximum Magnification": "600", "Light Gathering (compared to next size down)": "44%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "42.5\"", "OTA Outer Diameter": "14.25\"", "OTA Weight (with accessories)": "57", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "Rings/D-Rail", "Included Eyepieces": "None", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "No", "Corrector": "No (optional)" }, "Shipping Weights & Dimensions": {} } }, "S11400": { "specs": { "SKU": "S11400", "UPC": "050234114004", "Optical Info": { "Optical Design": "ED Triplet Refractor", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7 (2)/FPL-53(ED)", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "80", "Primary Edge Thickness": "N/A", "F/Ratio": "5", "Focal Length (mm)": "400", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "1.45", "Rayleigh Limit": "1.75", "Limiting Mag.": "12", "Minimum Magnification": "11", "Maximum Magnification": "157", "Light Gathering (compared to next size down)": "" }, "General Info": { "Focuser": "2.7\" Dual Speed R&P", "OTA Length (Retract/Ext.)": "17.4\"", "OTA Outer Diameter": "4.875\"", "OTA Weight (with accessories)": "8.8", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "2\" Dielectric ", "Mounting Accessories": "V-Rail Foot", "Included Eyepieces": "None", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "Yes", "Corrector": "Yes" }, "Shipping Weights & Dimensions": {} } }, "S11410": { "specs": { "SKU": "S11410", "UPC": "050234114103", "Optical Info": { "Optical Design": "ED Triplet Refractor", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7 (2)/FPL-53(ED)", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "100", "Primary Edge Thickness": "N/A", "F/Ratio": "5.5", "Focal Length (mm)": "550", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "1.16", "Rayleigh Limit": "1.4", "Limiting Mag.": "12.5", "Minimum Magnification": "14", "Maximum Magnification": "197", "Light Gathering (compared to next size down)": "56%" }, "General Info": { "Focuser": "3.4\" Dual Speed R&P", "OTA Length (Retract/Ext.)": "18.3\"/24.5\"", "OTA Outer Diameter": "5.75\"", "OTA Weight (with accessories)": "16", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "2\" Dielectric ", "Mounting Accessories": "Rings/D-Rail", "Included Eyepieces": "None", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "Yes", "Corrector": "Yes" }, "Shipping Weights & Dimensions": {} } }, "S11420": { "specs": { "SKU": "S11420", "UPC": "050234114202", "Optical Info": { "Optical Design": "ED Triplet Refractor", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7 (2)/FPL-53(ED)", "Primary Aperture (mm)": "120", "Primary Edge Thickness": "N/A", "F/Ratio": "7", "Focal Length (mm)": "840", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "0.97", "Rayleigh Limit": "1.16", "Limiting Mag.": "12.9", "Minimum Magnification": "17", "Maximum Magnification": "236", "Light Gathering (compared to next size down)": "44%" }, "General Info": { "Focuser": "3.4\" Dual Speed R&P", "OTA Length (Retract/Ext.)": "27.4\"/31.5\"", "OTA Outer Diameter": "6.875\"", "OTA Weight (with accessories)": "22", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "2\" Dielectric ", "Mounting Accessories": "Rings/D-Rail", "Included Eyepieces": "None", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "Yes", "Corrector": "Yes" }, "Shipping Weights & Dimensions": {} } }, "S11430": { "specs": { "SKU": "S11430", "UPC": "050234114301", "Optical Info": { "Optical Design": "ED Triplet Refractor", "Mirror Coatings": "N/A", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7 (2)/FPL-53(ED)", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "150", "Primary Edge Thickness": "N/A", "F/Ratio": "7", "Focal Length (mm)": "1040", "Secondary Diameter": "N/A", "Secondary Obstruction (by diameter)": "N/A", "Secondary Obstruction by Area": "N/A" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Mag.": "13.4", "Minimum Magnification": "21", "Maximum Magnification": "295", "Light Gathering (compared to next size down)": "56%" }, "General Info": { "Focuser": "3.4\" Dual Speed R&P", "OTA Length (Retract/Ext.)": "36.9\"/40.5\"", "OTA Outer Diameter": "7.9\"", "OTA Weight (with accessories)": "32", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "2\" Dielectric ", "Mounting Accessories": "Rings/D-Rail", "Included Eyepieces": "None", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "Yes", "Corrector": "Yes" }, "Shipping Weights & Dimensions": {} } }, "S11500": { "specs": { "SKU": "S11500", "UPC": "050234115001", "Optical Info": { "Optical Design": "Mak-Cass", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "90", "Primary Edge Thickness": "", "F/Ratio": "13.9", "Focal Length (mm)": "1250", "Secondary Diameter": "29mm", "Secondary Obstruction (by diameter)": "32%", "Secondary Obstruction by Area": "10%" }, "Observational Info": { "Dawes Limit": "1.29", "Rayleigh Limit": "1.55", "Limiting Mag.": "12.3", "Minimum Magnification": "13", "Maximum Magnification": "177", "Light Gathering (compared to next size down)": "27%" }, "General Info": { "Focuser": "Primary Mirror", "OTA Length (Retract/Ext.)": "11\"", "OTA Outer Diameter": "4.125\"", "OTA Weight (with accessories)": "3.6", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "Red Dot", "Included Diagonal": "1.25\" Star Diagonal", "Mounting Accessories": "1/4-20\" Foot", "Included Eyepieces": "25/10 Wide Angle", "Magnification w/ Included Eyepieces": "50x/125x", "Included Case": "Yes", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11510": { "specs": { "SKU": "S11510", "UPC": "050234115100", "Optical Info": { "Optical Design": "Mak-Cass", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/Borosilicate", "True Aperture (mm)": "101.93", "Primary Aperture (mm)": "102", "Primary Edge Thickness": "", "F/Ratio": "12.7", "Focal Length (mm)": "1300", "Secondary Diameter": "31mm", "Secondary Obstruction (by diameter)": "30%", "Secondary Obstruction by Area": "9%" }, "Observational Info": { "Dawes Limit": "1.14", "Rayleigh Limit": "1.37", "Limiting Mag.": "12.5", "Minimum Magnification": "14", "Maximum Magnification": "201", "Light Gathering (compared to next size down)": "28%" }, "General Info": { "Focuser": "Primary Mirror", "OTA Length (Retract/Ext.)": "12.25", "OTA Outer Diameter": "4.625\"", "OTA Weight (with accessories)": "4.6", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "Red Dot", "Included Diagonal": "1.25\" Star Diagonal", "Mounting Accessories": "V-Rail ", "Included Eyepieces": "25/10 Wide Angle", "Magnification w/ Included Eyepieces": "52x/130x", "Included Case": "Yes", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11520": { "specs": { "SKU": "S11520", "UPC": "050234115209", "Optical Info": { "Optical Design": "Mak-Cass", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "127", "Primary Edge Thickness": "", "F/Ratio": "12.1", "Focal Length (mm)": "1540", "Secondary Diameter": "39mm", "Secondary Obstruction (by diameter)": "31%", "Secondary Obstruction by Area": "9%" }, "Observational Info": { "Dawes Limit": "0.91", "Rayleigh Limit": "1.1", "Limiting Mag.": "13", "Minimum Magnification": "18", "Maximum Magnification": "250", "Light Gathering (compared to next size down)": "55%" }, "General Info": { "Focuser": "Primary Mirror", "OTA Length (Retract/Ext.)": "15\"", "OTA Outer Diameter": "5.75\"", "OTA Weight (with accessories)": "9.7", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "6x30 Finder", "Included Diagonal": "2\" Star Diagonal", "Mounting Accessories": "V-Rail ", "Included Eyepieces": "28 LET", "Magnification w/ Included Eyepieces": "55x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11530": { "specs": { "SKU": "S11530", "UPC": "050234115308", "Optical Info": { "Optical Design": "Mak-Cass", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/Borosilicate", "True Aperture (mm)": "151", "Primary Aperture (mm)": "166", "Primary Edge Thickness": "12.5mm", "F/Ratio": "12", "Focal Length (mm)": "1800", "Secondary Diameter": "47mm", "Secondary Obstruction (by diameter)": "31%", "Secondary Obstruction by Area": "10%" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Mag.": "13.4", "Minimum Magnification": "21", "Maximum Magnification": "295", "Light Gathering (compared to next size down)": "40%" }, "General Info": { "Focuser": "Primary Mirror", "OTA Length (Retract/Ext.)": "17.5\"", "OTA Outer Diameter": "7.5\"", "OTA Weight (with accessories)": "14", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "2\" Star Diagonal", "Mounting Accessories": "V-Rail ", "Included Eyepieces": "28 LET", "Magnification w/ Included Eyepieces": "64.3x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11540": { "specs": { "SKU": "S11540", "UPC": "050234115407", "Optical Info": { "Optical Design": "Mak-Cass", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/Borosilicate", "True Aperture (mm)": "182", "Primary Aperture (mm)": "199", "Primary Edge Thickness": "", "F/Ratio": "15", "Focal Length (mm)": "2700", "Secondary Diameter": "41mm", "Secondary Obstruction (by diameter)": "23%", "Secondary Obstruction by Area": "5%" }, "Observational Info": { "Dawes Limit": "0.64", "Rayleigh Limit": "0.78", "Limiting Mag.": "13.8", "Minimum Magnification": "26", "Maximum Magnification": "354", "Light Gathering (compared to next size down)": "44%" }, "General Info": { "Focuser": "Primary Mirror", "OTA Length (Retract/Ext.)": "22\"", "OTA Outer Diameter": "8.625\"", "OTA Weight (with accessories)": "19", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "2\" Star Diagonal", "Mounting Accessories": "V-Rail ", "Included Eyepieces": "28 LET", "Magnification w/ Included Eyepieces": "96.4x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11550": { "specs": { "SKU": "S11550", "UPC": "050234115506", "Optical Info": { "Optical Design": "Mak-Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "203", "Primary Edge Thickness": "", "F/Ratio": "5.3", "Focal Length (mm)": "1000", "Secondary Diameter": "64mm", "Secondary Obstruction (by diameter)": "34%", "Secondary Obstruction by Area": "11%" }, "Observational Info": { "Dawes Limit": "0.61", "Rayleigh Limit": "0.74", "Limiting Mag.": "13.9", "Minimum Magnification": "27", "Maximum Magnification": "374", "Light Gathering (compared to next size down)": "11%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "37.5\"", "OTA Outer Diameter": "9.5\"", "OTA Weight (with accessories)": "29", "Dob Base Weight": "N/A", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "No", "Mounting Accessories": "Rings/V-Rail", "Included Eyepieces": "None", "Magnification w/ Included Eyepieces": "N/A", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11600": { "specs": { "SKU": "S11600", "UPC": "050234116008", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "152", "Primary Edge Thickness": "", "F/Ratio": "7.9", "Focal Length (mm)": "1200", "Secondary Diameter": "34mm", "Secondary Obstruction (by diameter)": "16%", "Secondary Obstruction by Area": "3%" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Mag.": "13.4", "Minimum Magnification": "21", "Maximum Magnification": "295", "Light Gathering (compared to next size down)": "40%" }, "General Info": { "Focuser": "2\" R&P", "OTA Length (Retract/Ext.)": "44.5\"", "OTA Outer Diameter": "7.125\"", "OTA Weight (with accessories)": "15", "Dob Base Weight": "25", "Dob Base Measurements": "29\"x20.5\"", "Zenith Eyepiece Height": "45\"" }, "Accessories": { "Included Finder": "6x30 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "60x/96x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11610": { "specs": { "SKU": "S11610", "UPC": "050234116107", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "257", "Primary Aperture (mm)": "203", "Primary Edge Thickness": "", "F/Ratio": "5.9", "Focal Length (mm)": "1200", "Secondary Diameter": "48mm", "Secondary Obstruction (by diameter)": "24%", "Secondary Obstruction by Area": "6%" }, "Observational Info": { "Dawes Limit": "0.57", "Rayleigh Limit": "0.69", "Limiting Mag.": "14", "Minimum Magnification": "29", "Maximum Magnification": "400", "Light Gathering (compared to next size down)": "78%" }, "General Info": { "Focuser": "2\" Crayford", "OTA Length (Retract/Ext.)": "43\"", "OTA Outer Diameter": "9.375\"", "OTA Weight (with accessories)": "20", "Dob Base Weight": "25", "Dob Base Measurements": "29\"x20.5\"", "Zenith Eyepiece Height": "45\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "60x/96x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11620": { "specs": { "SKU": "S11620", "UPC": "050234116206", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "254", "Primary Edge Thickness": "", "F/Ratio": "4.7", "Focal Length (mm)": "1200", "Secondary Diameter": "64mm", "Secondary Obstruction (by diameter)": "25%", "Secondary Obstruction by Area": "6%" }, "Observational Info": { "Dawes Limit": "0.46", "Rayleigh Limit": "0.55", "Limiting Mag.": "14.5", "Minimum Magnification": "36", "Maximum Magnification": "500", "Light Gathering (compared to next size down)": "57%" }, "General Info": { "Focuser": "2\" Crayford", "OTA Length (Retract/Ext.)": "45\"", "OTA Outer Diameter": "11.375\"", "OTA Weight (with accessories)": "28", "Dob Base Weight": "25", "Dob Base Measurements": "29\"x20.5\"", "Zenith Eyepiece Height": "48\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "60x/96x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11700": { "specs": { "SKU": "S11700", "UPC": "050234117005", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "203", "Primary Edge Thickness": "", "F/Ratio": "5.9", "Focal Length (mm)": "1200", "Secondary Diameter": "48mm", "Secondary Obstruction (by diameter)": "24%", "Secondary Obstruction by Area": "6%" }, "Observational Info": { "Dawes Limit": "0.57", "Rayleigh Limit": "0.69", "Limiting Mag.": "14", "Minimum Magnification": "29", "Maximum Magnification": "400", "Light Gathering (compared to next size down)": "78%" }, "General Info": { "Focuser": "2\" Crayford", "OTA Length (Retract/Ext.)": "33\"/44\"", "OTA Outer Diameter": "9.375\"", "OTA Weight (with accessories)": "24.2", "Dob Base Weight": "26", "Dob Base Measurements": "29.5\"x20\"", "Zenith Eyepiece Height": "44.5\"" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "60x/96x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11720": { "specs": { "SKU": "S11720", "UPC": "050234117203", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "257", "Primary Aperture (mm)": "254", "Primary Edge Thickness": "", "F/Ratio": "4.7", "Focal Length (mm)": "1200", "Secondary Diameter": "64mm", "Secondary Obstruction (by diameter)": "25%", "Secondary Obstruction by Area": "6%" }, "Observational Info": { "Dawes Limit": "0.46", "Rayleigh Limit": "0.55", "Limiting Mag.": "14.5", "Minimum Magnification": "36", "Maximum Magnification": "500", "Light Gathering (compared to next size down)": "57%" }, "General Info": { "Focuser": "2\" Crayford", "OTA Length (Retract/Ext.)": "31.5\"/44\"", "OTA Outer Diameter": "11.375\"", "OTA Weight (with accessories)": "33", "Dob Base Weight": "26.5", "Dob Base Measurements": "29.5\"x20\"", "Zenith Eyepiece Height": "48\"" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "60x/96x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11740": { "specs": { "SKU": "S11740", "UPC": "050234117401", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "305", "Primary Edge Thickness": "38mm", "F/Ratio": "4.9", "Focal Length (mm)": "1500", "Secondary Diameter": "70mm", "Secondary Obstruction (by diameter)": "23%", "Secondary Obstruction by Area": "5%" }, "Observational Info": { "Dawes Limit": "0.38", "Rayleigh Limit": "0.46", "Limiting Mag.": "14.9", "Minimum Magnification": "43", "Maximum Magnification": "600", "Light Gathering (compared to next size down)": "44%" }, "General Info": { "Focuser": "2\" Crayford", "OTA Length (Retract/Ext.)": "36\"/55\"", "OTA Outer Diameter": "14.25\"", "OTA Weight (with accessories)": "46.2", "Dob Base Weight": "38.3", "Dob Base Measurements": "29\"x25\"", "Zenith Eyepiece Height": "55.5\"" }, "Accessories": { "Included Finder": "8x50 RACI", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "75x/120x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11750": { "specs": { "SKU": "S11750", "UPC": "050234117500", "Optical Info": { "Optical Design": "Mak-Cass", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "Fully Multi-Coated", "Glass Type": "BK7/Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "90", "Primary Edge Thickness": "", "F/Ratio": "13.9", "Focal Length (mm)": "1250", "Secondary Diameter": "29mm", "Secondary Obstruction (by diameter)": "32%", "Secondary Obstruction by Area": "10%" }, "Observational Info": { "Dawes Limit": "1.29", "Rayleigh Limit": "1.55", "Limiting Mag.": "12.3", "Minimum Magnification": "13", "Maximum Magnification": "177", "Light Gathering (compared to next size down)": "27%" }, "General Info": { "Focuser": "Primary Mirror", "OTA Length (Retract/Ext.)": "11\"", "OTA Outer Diameter": "4.125\"", "OTA Weight (with accessories)": "N/A", "Dob Base Weight": "", "Dob Base Measurements": "N/A", "Zenith Eyepiece Height": "N/A", "Weight": "15 lbs" }, "Accessories": { "Included Finder": "5x24 Finderscope", "Included Diagonal": "Yes", "Included Solar Filter": "Yes", "Mounting Accessories": "N/A", "Included Eyepieces": "25/10 Plossl", "Magnification w/ Included Eyepieces": "50x/125x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11760": { "specs": { "SKU": "S11760", "UPC": "050234117609", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "356", "Primary Edge Thickness": "", "F/Ratio": "4.6", "Focal Length (mm)": "1650", "Secondary Diameter": "83mm", "Secondary Obstruction (by diameter)": "23%", "Secondary Obstruction by Area": "5%" }, "Observational Info": { "Dawes Limit": "0.33", "Rayleigh Limit": "0.39", "Limiting Mag.": "15.2", "Minimum Magnification": "50", "Maximum Magnification": "701", "Light Gathering (compared to next size down)": "36%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "38.5\"/60\"", "OTA Outer Diameter": "16.5625", "OTA Weight (with accessories)": "53", "Dob Base Weight": "80", "Dob Base Measurements": "31\"x30\"", "Zenith Eyepiece Height": "62.5\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "25/10 Plossl", "Magnification w/ Included Eyepieces": "66x/165x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11780": { "specs": { "SKU": "S11780", "UPC": "050234117807", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "406", "Primary Edge Thickness": "", "F/Ratio": "4.4", "Focal Length (mm)": "1800", "Secondary Diameter": "102mm", "Secondary Obstruction (by diameter)": "25%", "Secondary Obstruction by Area": "6%" }, "Observational Info": { "Dawes Limit": "0.29", "Rayleigh Limit": "0.34", "Limiting Mag.": "15.5", "Minimum Magnification": "58", "Maximum Magnification": "799", "Light Gathering (compared to next size down)": "30%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "42.5\"/66.5\"", "OTA Outer Diameter": "17.875\"", "OTA Weight (with accessories)": "72", "Dob Base Weight": "88", "Dob Base Measurements": "34\"x31\"", "Zenith Eyepiece Height": "72\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "25/10 Plossl", "Magnification w/ Included Eyepieces": "72x/180x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11800": { "specs": { "SKU": "S11800", "UPC": "050234118002", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "203", "Primary Edge Thickness": "", "F/Ratio": "5.9", "Focal Length (mm)": "1200", "Secondary Diameter": "48mm", "Secondary Obstruction (by diameter)": "24%", "Secondary Obstruction by Area": "6%" }, "Observational Info": { "Dawes Limit": "0.57", "Rayleigh Limit": "0.69", "Limiting Mag.": "14", "Minimum Magnification": "29", "Maximum Magnification": "400", "Light Gathering (compared to next size down)": "78%" }, "General Info": { "Focuser": "2\" Crayford", "OTA Length (Retract/Ext.)": "33\"/44\"", "OTA Outer Diameter": "9.375\"", "OTA Weight (with accessories)": "24.2", "Dob Base Weight": "33", "Dob Base Measurements": "30\"x20\"", "Zenith Eyepiece Height": "47\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "60x/96x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11810": { "specs": { "SKU": "S11810", "UPC": "050234118101", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "257", "Primary Aperture (mm)": "254", "Primary Edge Thickness": "", "F/Ratio": "4.7", "Focal Length (mm)": "1200", "Secondary Diameter": "64mm", "Secondary Obstruction (by diameter)": "25%", "Secondary Obstruction by Area": "6%" }, "Observational Info": { "Dawes Limit": "0.46", "Rayleigh Limit": "0.55", "Limiting Mag.": "14.5", "Minimum Magnification": "36", "Maximum Magnification": "500", "Light Gathering (compared to next size down)": "57%" }, "General Info": { "Focuser": "2\" Crayford", "OTA Length (Retract/Ext.)": "31.5\"/44\"", "OTA Outer Diameter": "11.375\"", "OTA Weight (with accessories)": "33", "Dob Base Weight": "39", "Dob Base Measurements": "30\"x20\"", "Zenith Eyepiece Height": "49\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "60x/96x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11820": { "specs": { "SKU": "S11820", "UPC": "050234118200", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "305", "Primary Edge Thickness": "", "F/Ratio": "4.9", "Focal Length (mm)": "1500", "Secondary Diameter": "70mm", "Secondary Obstruction (by diameter)": "23%", "Secondary Obstruction by Area": "5%" }, "Observational Info": { "Dawes Limit": "0.38", "Rayleigh Limit": "0.46", "Limiting Mag.": "14.9", "Minimum Magnification": "43", "Maximum Magnification": "600", "Light Gathering (compared to next size down)": "44%" }, "General Info": { "Focuser": "2\" Crayford", "OTA Length (Retract/Ext.)": "36\"/55\"", "OTA Outer Diameter": "14.25\"", "OTA Weight (with accessories)": "46.2", "Dob Base Weight": "53", "Dob Base Measurements": "32.5\"x25\"", "Zenith Eyepiece Height": "58.5\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "75x/120x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11830": { "specs": { "SKU": "S11830", "UPC": "050234118309", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "356", "Primary Edge Thickness": "", "F/Ratio": "4.6", "Focal Length (mm)": "1650", "Secondary Diameter": "83mm", "Secondary Obstruction (by diameter)": "23%", "Secondary Obstruction by Area": "5%" }, "Observational Info": { "Dawes Limit": "0.33", "Rayleigh Limit": "0.39", "Limiting Mag.": "15.2", "Minimum Magnification": "50", "Maximum Magnification": "701", "Light Gathering (compared to next size down)": "36%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "38.5\"/60\"", "OTA Outer Diameter": "16.5625\"", "OTA Weight (with accessories)": "53", "Dob Base Weight": "94", "Dob Base Measurements": "36\"x31\"", "Zenith Eyepiece Height": "64\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "82.5x/132x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11840": { "specs": { "SKU": "S11840", "UPC": "050234118408", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "406", "Primary Edge Thickness": "", "F/Ratio": "4.4", "Focal Length (mm)": "1800", "Secondary Diameter": "102mm", "Secondary Obstruction (by diameter)": "25%", "Secondary Obstruction by Area": "6%" }, "Observational Info": { "Dawes Limit": "0.29", "Rayleigh Limit": "0.34", "Limiting Mag.": "15.5", "Minimum Magnification": "58", "Maximum Magnification": "799", "Light Gathering (compared to next size down)": "30%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "OTA Length (Retract/Ext.)": "42.5\"/66.5\"", "OTA Outer Diameter": "17.875\"", "OTA Weight (with accessories)": "72", "Dob Base Weight": "105", "Dob Base Measurements": "36\"x34\"", "Zenith Eyepiece Height": "74\"" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "20mm/12.5mm", "Magnification w/ Included Eyepieces": "90x/144x", "Included Case": "No", "Corrector": "No" }, "Shipping Weights & Dimensions": {} } }, "S11900": { "specs": { "SKU": "S11900", "UPC": "050234119009", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "458", "Primary Edge Thickness": "", "F/Ratio": "4.14", "Focal Length (mm)": "1900", "Secondary Diameter": "120mm", "Secondary Obstruction (by diameter)": "26%", "Secondary Obstruction by Area": "7%" }, "Observational Info": { "Dawes Limit": "0.25", "Rayleigh Limit": "0.31", "Limiting Mag.": "15.9", "Minimum Magnification": "65", "Maximum Magnification": "902", "Light Gathering (compared to next size down)": "27%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "Zenith Eyepiece Height": "74.5\"", "OTA Length (Retract/Ext.)": "78.75\"", "OTA Outer Diameter": "20.5\"", "OTA Weight (with accessories)": "N/A", "Dob Base Weight": "40 lbs", "Dob Base Measurements": "", "Upper Cage Weight": "11 lbs", "Truss Pole Weight": "2.6 lbs each. 16 lbs total", "Mirror Box Weight": "62 lbs", "Full Assembled Weight (with weights)": "129 lbs" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "28 LET/10mm/Coll.", "Magnification w/ Included Eyepieces": "68x/190x", "Included Case": "No", "Corrector": "No", "Other Included Accessories": "2.3lbs counter weights (3), Shroud, Truss clamps" }, "Shipping Weights & Dimensions": {} } }, "S11910": { "specs": { "SKU": "S11910", "UPC": "050234119108", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "508", "Primary Edge Thickness": "", "F/Ratio": "3.93", "Focal Length (mm)": "2000", "Secondary Diameter": "134mm", "Secondary Obstruction (by diameter)": "26%", "Secondary Obstruction by Area": "7%" }, "Observational Info": { "Dawes Limit": "0.23", "Rayleigh Limit": "0.28", "Limiting Mag.": "16", "Minimum Magnification": "72", "Maximum Magnification": "1000", "Light Gathering (compared to next size down)": "23%" }, "General Info": { "Focuser": "2\" Dual Speed Crayford", "Zenith Eyepiece Height": "79\"", "OTA Length (Retract/Ext.)": "", "OTA Outer Diameter": "", "OTA Weight (with accessories)": "N/A", "Dob Base Weight": "40 lbs", "Dob Base Measurements": "", "Upper Cage Weight": "12 lbs", "Truss Pole Weight": "2.6 lbs each. 16 lbs total", "Mirror Box Weight": "70 lbs", "Full Assembled Weight (with weights)": "138 lbs" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "28 LET/10mm/Coll.", "Magnification w/ Included Eyepieces": "71x/200x", "Included Case": "No", "Corrector": "No", "Other Included Accessories": "2.3lbs counter weights (3), Shroud, Truss clamps" }, "Shipping Weights & Dimensions": {} } }, "S11920": { "specs": { "SKU": "S11920", "UPC": "N/A", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "458", "Primary Edge Thickness": "", "F/Ratio": "4.14", "Focal Length (mm)": "1900", "Secondary Diameter": "120mm", "Secondary Obstruction (by diameter)": "26%", "Secondary Obstruction by Area": "7%" }, "Observational Info": { "Dawes Limit": "0.25", "Rayleigh Limit": "0.31", "Limiting Mag.": "15.9", "Minimum Magnification": "65", "Maximum Magnification": "902", "Light Gathering (compared to next size down)": "27%" }, "General Info": { "GoTo": "Yes", "Object Database": "42,900+", "Dual Encoders": "Yes", "Focuser": "2\" Dual Speed Crayford", "Zenith Eyepiece Height": "74.5\"", "OTA Length (Retract/Ext.)": "78.75\"", "OTA Outer Diameter": "20.5\"", "OTA Weight (with accessories)": "N/A", "Dob Base Weight": "66 lbs", "Dob Base Measurements": "", "Upper Cage Weight": "11 lbs", "Truss Pole Weight": "2.6 lbs each. 16 lbs total", "Mirror Box Weight": "62 lbs", "Full Assembled Weight (with weights)": "155 lbs" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "28 LET/10mm/Coll.", "Magnification w/ Included Eyepieces": "", "Included Case": "", "Corrector": "", "Other Included Accessories": "2.3lbs counter weights (3), Shroud, Truss clamps" }, "Shipping Weights & Dimensions": {} } }, "S11930": { "specs": { "SKU": "S11930", "UPC": "N/A", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "True Aperture (mm)": "N/A", "Primary Aperture (mm)": "508", "Primary Edge Thickness": "", "F/Ratio": "3.93", "Focal Length (mm)": "2000", "Secondary Diameter": "134mm", "Secondary Obstruction (by diameter)": "26%", "Secondary Obstruction by Area": "7%" }, "Observational Info": { "Dawes Limit": "0.23", "Rayleigh Limit": "0.28", "Limiting Mag.": "16", "Minimum Magnification": "72", "Maximum Magnification": "1000", "Light Gathering (compared to next size down)": "23%" }, "General Info": { "GoTo": "Yes", "Object Database": "42,900+", "Dual Encoders": "Yes", "Focuser": "2\" Dual Speed Crayford", "Zenith Eyepiece Height": "79\"", "OTA Length (Retract/Ext.)": "", "OTA Outer Diameter": "", "OTA Weight (with accessories)": "N/A", "Dob Base Weight": "66 lbs", "Dob Base Measurements": "", "Upper Cage Weight": "12 lbs", "Truss Pole Weight": "2.6 lbs each. 16 lbs total", "Mirror Box Weight": "70 lbs", "Full Assembled Weight (with weights)": "164 lbs" }, "Accessories": { "Included Finder": "9x50 Finder", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "28 LET/10mm/Coll.", "Magnification w/ Included Eyepieces": "71x/200x", "Included Case": "No", "Corrector": "No", "Other Included Accessories": "2.3lbs counter weights (3), Shroud, Truss clamps" }, "Shipping Weights & Dimensions": {} } }, "S20150": { "specs": { "SKU": "S20150", "UPC": "50234201506", "General Mount Info": { "Mount Type": "Alt-AZ/EQ", "GoTo": "Yes", "Payload Capacity (lbs)": "10", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Weight (lbs)": "N/A", "Tripod Weight (lbs)": "", "Fully Assembled Weight (w/ weights)": "N/A", "Tripod Leg Diameter": "", "Mounting Saddle Type": "V", "Power Type": "AA/12V", "Clutch": "Slip", "Polar Scope": "N/A", "Latitude Range (degrees)": "N/A" }, "Computer/Drive System Info": { "Object Database": "42900+", "Controller": "Hand Controller", "WiFi": "No", "Polar Align Assist": "No", "Auto Guide": "No", "Permanent Periodic Correction": "N/A", "Pointing Accuracy (RMS)": "5 arc minutes", "Dual Encoders": "Yes", "DSLR Interface": "Yes", "Included Weights": "N/A", "Motor Type": "Servo", "Drive System": "Gear" }, "Shipping Weights & Dimensions": {} } }, "S20510": { "specs": { "SKU": "S20510", "UPC": "50234205108", "General Mount Info": { "Mount Type": "EQ", "GoTo": "No", "Payload Capacity (lbs)": "10", "Mount Height (Min)": "N/A", "Mount Height (Max)": "N/A", "Mount Head Weight (lbs)": "N/A", "Tripod Weight (lbs)": "N/A", "Fully Assembled Weight (w/ weights)": "2.4", "Tripod Leg Diameter": "N/A", "Mounting Saddle Type": "V", "Power Type": "AA/5V", "Clutch": "Slip", "Polar Scope": "Built In", "Latitude Range (degrees)": "N/A" }, "Computer/Drive System Info": { "Object Database": "N/A", "Controller": "Mode Dial", "WiFi": "No", "Polar Align Assist": "No", "Auto Guide": "Yes", "Permanent Periodic Correction": "No", "Pointing Accuracy (RMS)": "N/A", "Dual Encoders": "No", "DSLR Interface": "Yes", "Included Weights": "Optional", "Motor Type": "Servo", "Drive System": "Gear" }, "Shipping Weights & Dimensions": {} } }, "S20520": { "specs": { "SKU": "S20520", "UPC": "50234205207", "General Mount Info": { "Mount Type": "EQ", "GoTo": "No", "Payload Capacity (lbs)": "10", "Mount Height (Min)": "N/A", "Mount Height (Max)": "N/A", "Mount Head Weight (lbs)": "N/A", "Tripod Weight (lbs)": "N/A", "Fully Assembled Weight (w/ weights)": "2.2", "Tripod Leg Diameter": "N/A", "Mounting Saddle Type": "V", "Power Type": "AA/5V", "Clutch": "Slip", "Polar Scope": "Built In", "Latitude Range (degrees)": "N/A" }, "Computer/Drive System Info": { "Object Database": "N/A", "Controller": "Mode Dial", "WiFi": "No", "Polar Align Assist": "No", "Auto Guide": "Yes", "Permanent Periodic Correction": "No", "Pointing Accuracy (RMS)": "N/A", "Dual Encoders": "No", "DSLR Interface": "Yes", "Included Weights": "Optional", "Motor Type": "Servo", "Drive System": "Gear" }, "Shipping Weights & Dimensions": {} } }, "S20512": { "specs": { "SKU": "S20512", "UPC": "050234205122", "General Mount Info": { "Mount Type": "EQ", "GoTo": "No", "Payload Capacity (lbs)": "11", "Mount Height (Min)": "N/A", "Mount Height (Max)": "N/A", "Mount Head Weight (lbs)": "2.2", "Tripod Weight (lbs)": "N/A", "Fully Assembled Weight (w/ weights)": "2.2", "Tripod Leg Diameter": "N/A", "Mounting Saddle Type": "V", "Power Type": "AA/5V", "Clutch": "Ring Clutch", "Polar Scope": "Built In", "Latitude Range (degrees)": "N/A" }, "Computer/Drive System Info": { "Object Database": "N/A", "Controller": "N/A", "WiFi": "Yes", "Polar Align Assist": "No", "Auto Guide": "N/A", "Permanent Periodic Correction": "No", "Pointing Accuracy (RMS)": "N/A", "Dual Encoders": "No", "DSLR Interface": "N/A", "Included Weights": "Optional", "Motor Type": "Servo", "Drive System": "Gear" }, "Shipping Weights & Dimensions": {} } }, "S20580": { "specs": { "SKU": "S20580 ", "UPC": "N/A", "General Mount Info": { "Mount Type": "EQ", "GoTo": "No", "Payload Capacity (lbs)": "6.6", "Mount Height (Min)": "N/A", "Mount Height (Max)": "N/A", "Mount Head Weight (lbs)": "1.6", "Tripod Weight (lbs)": "N/A", "Fully Assembled Weight (w/ weights)": "1.6", "Tripod Leg Diameter": "N/A", "Mounting Saddle Type": "V", "Power Type": "AA/5V", "Clutch": "Slip", "Polar Scope": "Included", "Latitude Range (degrees)": "N/A" }, "Computer/Drive System Info": { "Object Database": "N/A", "Controller": "WiFi", "WiFi": "Yes ", "Polar Align Assist": "No", "Auto Guide": "No", "Permanent Periodic Correction": "No", "Pointing Accuracy (RMS)": "", "Dual Encoders": "No", "DSLR Interface": "Yes", "Included Weights": "Optional", "Motor Type": "", "Drive System": "" }, "Shipping Weights & Dimensions": {} } }, "S21110": { "specs": { "SKU": "S21110", "UPC": "N/A", "General Mount Info": { "Mount Type": "Alt-AZ/EQ", "GoTo": "Yes", "Payload Capacity (lbs)": "11", "Mount Height (Min)": "31.6\"", "Mount Height (Max)": "59.8\"", "Mount Head Weight (lbs)": "2.6", "Tripod Weight (lbs)": "7.9", "Fully Assembled Weight (w/ weights)": "10.5", "Tripod Leg Diameter": "1.2\"", "Mounting Saddle Type": "V", "Power Type": "AA/12V", "Clutch": "Slip", "Polar Scope": "No", "Latitude Range (degrees)": "0-90" }, "Computer/Drive System Info": { "Object Database": "App Data base", "Controller": "WiFi", "WiFi": "Yes ", "Polar Align Assist": "Yes", "Auto Guide": "No", "Permanent Periodic Correction": "N/A", "Pointing Accuracy (RMS)": "", "Dual Encoders": "Yes", "DSLR Interface": "Yes", "Included Weights": "N/A", "Motor Type": "Stepper", "Drive System": "Gear" }, "Shipping Weights & Dimensions": {} } }, "S30200": { "specs": { "SKU": "S30200", "UPC": "50234302005", "General Mount Info": { "Mount Type": "Alt-AZ/EQ", "GoTo": "Yes", "Payload Capacity (lbs)": "30", "Mount Height (Min)": "41\"", "Mount Height (Max)": "48.7\"", "Mount Head Weight (lbs)": "16.9", "Tripod Weight (lbs)": "13.4", "Fully Assembled Weight (w/ weights)": "43.8", "Tripod Leg Diameter": "1.75\"", "Mounting Saddle Type": "V", "Power Type": "12V", "Clutch": "Slip", "Polar Scope": "Optional", "Latitude Range (degrees)": "0-90" }, "Computer/Drive System Info": { "Object Database": "42900+", "Controller": "Hand Controller", "WiFi": "Optional WiFi dongle ", "Polar Align Assist": "Yes", "PC Direct Connect Port": "Yes", "Auto Guide": "Yes", "Permanent Periodic Correction": "Yes", "Pointing Accuracy (RMS)": "5 arc minutes", "Dual Encoders": "Yes", "DSLR Interface": "Yes (Dual)", "Included Weights": "7.5lbs (two)", "Motor Type": "Stepper", "Drive System": "Belt" }, "Shipping Weights & Dimensions": {} } }, "S30400": { "specs": { "SKU": "S30400", "UPC": "050234304009", "General Mount Info": { "Mount Type": "EQ", "GoTo": "Yes", "Payload Capacity (lbs)": "30", "Mount Height (Min)": "N/A", "Mount Height (Max)": "N/A", "Mount Head Weight (lbs)": "N/A", "Tripod Weight (lbs)": "N/A", "Fully Assembled Weight (w/ weights)": "30lbs", "Tripod Type": "Adjustable height, steel tripod legs, accessory tray", "Mounting Saddle Type": "V", "Power Type": "10-15v DC 2 amp", "Clutch": "N/A", "Polar Scope": "Included", "Latitude Range (degrees)": "N/A" }, "Computer/Drive System Info": { "Object Database": "Complete Messier, NGC, IC and SAO catalogs, 25 user defined objects, total 42,900 objects", "Controller": "SynScan hand controller", "Auto Guide Ports": "Yes", "Slew Speeds": "1000x, 800x, 600x, 400x, 200x, 32x, 16x, 8x, 2x, 1x", "Tracking Rates": "Sidereal, Luna, Solar", "Tracking Modes": "Dual Axis Tracking", "Alignment Procedures": "One-, two- and three-star alignment", "Permanent Periodic Correction": "Yes", "Pointing Accuracy (RMS)": "", "Included Weights": "11lbs (two)", "Motor Type": "DC servo, stepper motors" }, "Shipping Weights & Dimensions": {} } }, "S20110": { "specs": { "SKU": "S20110", "UPC": "50234205108", "General Mount Info": { "Mount Type": "Alt-AZ", "GoTo": "N/A", "Payload Capacity (lbs)": "15", "Mount Height (Min)": "N/A", "Mount Height (Max)": "N/A", "Mount Head Weight (lbs)": "5", "Tripod Weight (lbs)": "12.3", "Fully Assembled Weight (w/ weights)": "17.3", "Tripod Leg Diameter": "1.75\"", "Mounting Saddle Type": "V", "Clutch": "Slip", "Polar Scope": "No", "Latitude Range (degrees)": "N/A" }, "Accessories:": { "Tripod": "Yes", "Pier Extension": "Yes", "Pier Extension Thread Size": "3/8\"", "Tripod Accessory Tray": "Yes", "Manual": "Yes", "Case": "No" }, "Shipping Weights & Dimensions": {} } }, "S30300": { "specs": { "SKU": "S30300", "UPC": "N/A", "General Mount Info": { "Mount Type": "EQ", "GoTo": "Yes", "Payload Capacity (lbs)": "44", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Weight (lbs)": "38", "Tripod Weight (lbs)": "16.5", "Fully Assembled Weight (w/ weights)": "76.5", "Tripod Leg Diameter": "2\"", "Mounting Saddle Type": "D/V", "Power Type": "12V (4 amp minimum)", "Clutch": "Locking Lever", "Polar Scope": "Built In", "Latitude Range (degrees)": "5-65" }, "Computer/Drive System Info": { "Object Database": "42900+", "Controller": "SynScan hand controller", "WiFi": "Optional ", "Polar Align Assist": "Yes", "PC Direct Connect Port": "Yes", "Auto Guide": "Yes", "Permanent Periodic Correction": "Yes", "Pointing Accuracy (RMS)": "", "Dual Encoders": "No", "DSLR Interface": "Yes", "Included Weights": "11lbs (two)", "Motor Type": "Stepper", "Drive System": "Belt" }, "Shipping Weights & Dimensions": {} } }, "S30305": { "specs": { "SKU": "S30305", "UPC": "N/A", "General Mount Info": { "Mount Type": "EQ", "GoTo": "Yes", "Payload Capacity (lbs)": "44", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Weight (lbs)": "38", "Tripod Weight (lbs)": "16.5", "Fully Assembled Weight (w/ weights)": "76.5", "Tripod Leg Diameter": "2\"", "Mounting Saddle Type": "D/V", "Power Type": "12V (4 amp minimum)", "Clutch": "Locking Lever", "Polar Scope": "Built In", "Latitude Range (degrees)": "5-65" }, "Computer/Drive System Info": { "Object Database": "42900+", "Controller": "Optional (SynScan hand controller)", "WiFi": "Included WiFi adapter ", "Polar Align Assist": "Yes", "PC Direct Connect Port": "Yes", "Auto Guide": "Yes", "Permanent Periodic Correction": "Yes", "Pointing Accuracy (RMS)": "", "Dual Encoders": "No", "DSLR Interface": "Yes", "Included Weights": "11lbs (two)", "Motor Type": "Stepper", "Drive System": "Belt" }, "Shipping Weights & Dimensions": {} } }, "S30330": { "specs": { "SKU": "S30330", "UPC": "N/A", "General Mount Info": { "Mount Type": "AZ/EQ", "GoTo": "Yes", "Payload Capacity (lbs)": "44", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Weight (lbs)": "34", "Tripod Weight (lbs)": "16.5", "Fully Assembled Weight (w/ weights)": "72.5", "Tripod Leg Diameter": "2\"", "Mounting Saddle Type": "D/V", "Power Type": "12V (4 amp minimum)", "Clutch": "Slip Clutch", "Polar Scope": "Built In", "Latitude Range (degrees)": "10-70 (EQ mode) 90 (AZ mode)" }, "Computer/Drive System Info": { "Object Database": "42900+", "Controller": "Hand Controller", "WiFi": "Optional WiFi dongle ", "Polar Align Assist": "Yes", "PC Direct Connect Port": "Yes", "Auto Guide": "Yes", "Permanent Periodic Correction": "Yes", "Pointing Accuracy (RMS)": "", "Dual Encoders": "Yes", "DSLR Interface": "Yes", "Included Weights": "11lbs (two)", "Motor Type": "Stepper", "Drive System": "Belt" }, "Shipping Weights & Dimensions": {} } }, "S30500": { "specs": { "SKU": "S30500", "UPC": "N/A", "General Mount Info": { "Mount Type": "EQ", "GoTo": "Yes", "Payload Capacity (lbs)": "22", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Weight (lbs)": "9.65", "Tripod Weight (lbs)": "12.5", "Fully Assembled Weight (w/ weights)": "37.15", "Tripod Leg Diameter": "1.75\"", "Mounting Saddle Type": "V", "Power Type": "12V (4 amp minimum)", "Clutch": "Locking Lever ", "Polar Scope": "Built In ", "Latitude Range (degrees)": "15-65" }, "Computer/Drive System Info": { "Object Database": "42900+", "Controller": "Hand Controller", "WiFi": "Optional WiFi dongle ", "Polar Align Assist": "Yes", "Auto Guide": "Yes", "Permanent Periodic Correction": "Yes", "Pointing Accuracy (RMS)": "", "Dual Encoders": "No", "DSLR Interface": "No", "Included Weights": "7.5lbs (two)", "Motor Type": "Stepper", "Drive System": "Gear" }, "Shipping Weights & Dimensions": {} } }, "S30601": { "specs": { "SKU": "S30601", "UPC": "050234306010", "General Mount Info": { "Mount Type": "High-capacity motorized equatorial (EQ)", "Tripod": "Heavy-duty pier tripod", "GoTo": "Yes", "Payload Capacity (lbs)": "110", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Height (head by itself)": "19.5\"", "Mount Head Weight (lbs)": "56.8\"", "Mount with Tripod max height": "58.625\"", "Mount with Tripod min height": "49.75\"", "Tripod max height (no mount head)": "39.125\"", "Tripod min height (no mount head)": "30.25\"", "Tripod leveling pads min height": "4\"", "Tripod Weight (lbs)": "64.8", "Fully Assembled Weight (w/ weights)": "", "Tripod Leg Diameter": "2.36\"", "Mounting Saddle Type": "D-style", "Power Type": "DC11~16V, 3 amp", "Cable management": "Four USB 3.0 ports, Three 2.1mm power ports, Three serial connections", "Clutch": "", "Polar Scope": "Sold seperately", "Latitude Range (degrees)": "10° to 65°" }, "Computer/Drive System Info": { "Object Database": "Complete Messier, NGC, IC and SAO catalogs, 25 user defined objects, total 42,900 objects", "Controller": "SynScan hand controller, flash upgradeable, or PC direct", "Alignment Procedures": "One-, two- and three-star alignment", "Slew Speeds": "1000x, 800x, 600x, 400x, 200x, 32x, 16x, 8x, 2x, 1x", "WiFi": "Optional WiFi dongle", "GPS": "Optional SynScan GPS sold seperately", "Polar Align Assist": "", "PC Direct Connect Port": "Yes", "Auto Guide": "", "Permanent Periodic Correction": "", "Pointing Accuracy (RMS)": "", "Dual Encoders": "", "DSLR Interface": "", "Included Weights": "22lbs (two)", "Motor Type": "0.9° hybrid stepper motor", "Drive System": "Belt" }, "Shipping Weights & Dimensions": {} } }, "S30701": { "specs": { "SKU": "S30701", "UPC": "050234307017", "General Mount Info": { "Mount Type": "High-capacity motorized equatorial (EQ)", "Tripod": "Heavy-duty pier tripod", "GoTo": "Yes", "Payload Capacity (lbs)": "110", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Height (head by itself)": "19.5\"", "Mount Head Weight (lbs)": "56.8\"", "Mount with Tripod max height": "58.625\"", "Mount with Tripod min height": "49.75\"", "Tripod max height (no mount head)": "39.125\"", "Tripod min height (no mount head)": "30.25\"", "Tripod leveling pads min height": "4\"", "Tripod Weight (lbs)": "64.8", "Fully Assembled Weight (w/ weights)": "", "Tripod Leg Diameter": "2.36\"", "Mounting Saddle Type": "D-style", "Power Type": "DC11~16V, 3 amp", "Cable management": "Four USB 3.0 ports, Three 2.1mm power ports, Three serial connections", "Clutch": "", "Polar Scope": "Sold seperately", "Latitude Range (degrees)": "10° to 65°" }, "Computer/Drive System Info": { "Object Database": "Complete Messier, NGC, IC and SAO catalogs, 25 user defined objects, total 42,900 objects", "Controller": "SynScan hand controller, flash upgradeable, or PC direct", "Alignment Procedures": "One-, two- and three-star alignment", "Slew Speeds": "1000x, 800x, 600x, 400x, 200x, 32x, 16x, 8x, 2x, 1x", "WiFi": "Optional WiFi dongle", "GPS": "Optional SynScan GPS sold seperately", "Polar Align Assist": "", "PC Direct Connect Port": "Yes", "Auto Guide": "", "Permanent Periodic Correction": "", "Pointing Accuracy (RMS)": "", "Dual Encoders": "", "DSLR Interface": "", "Included Weights": "22lbs (two)", "Motor Type": "0.9° hybrid stepper motor", "Drive System": "Belt" }, "Shipping Weights & Dimensions": {} } }, "S30712": { "specs": { "SKU": "S30712", "UPC": "050234307123", "General Mount Info": { "Mount Type": "High-capacity motorized equatorial (EQ)", "GoTo": "Yes", "Payload Capacity (lbs)": "110", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Height (head by itself)": "19.5\"", "Mount Head Weight (lbs)": "56.8\"", "Fully Assembled Weight (w/ weights)": "", "Mounting Saddle Type": "D-style", "Power Type": "DC11~16V, 3 amp", "Cable management": "Four USB 3.0 ports, Three 2.1mm power ports, Three serial connections", "Clutch": "", "Polar Scope": "Sold seperately", "Latitude Range (degrees)": "10° to 65°" }, "Computer/Drive System Info": { "Object Database": "Complete Messier, NGC, IC and SAO catalogs, 25 user defined objects, total 42,900 objects", "Controller": "SynScan hand controller, flash upgradeable, or PC direct", "Alignment Procedures": "One-, two- and three-star alignment", "Slew Speeds": "1000x, 800x, 600x, 400x, 200x, 32x, 16x, 8x, 2x, 1x", "WiFi": "Optional WiFi dongle", "GPS": "Optional SynScan GPS sold seperately", "Polar Align Assist": "", "PC Direct Connect Port": "Yes", "Auto Guide": "", "Permanent Periodic Correction": "", "Pointing Accuracy (RMS)": "", "Dual Encoders": "", "DSLR Interface": "", "Included Weights": "22lbs (two)", "Motor Type": "0.9° hybrid stepper motor", "Drive System": "Belt" }, "Shipping Weights & Dimensions": {} } }, "S30612": { "specs": { "SKU": "S30612", "UPC": "050234306126", "General Mount Info": { "Mount Type": "High-capacity motorized equatorial (EQ)", "GoTo": "Yes", "Payload Capacity (lbs)": "110", "Mount Height (Min)": "", "Mount Height (Max)": "", "Mount Head Height (head by itself)": "19.5\"", "Mount Head Weight (lbs)": "56.8\"", "Fully Assembled Weight (w/ weights)": "", "Mounting Saddle Type": "D-style", "Power Type": "DC11~16V, 3 amp", "Cable management": "Four USB 3.0 ports, Three 2.1mm power ports, Three serial connections", "Clutch": "", "Polar Scope": "Sold seperately", "Latitude Range (degrees)": "10° to 65°" }, "Computer/Drive System Info": { "Object Database": "Complete Messier, NGC, IC and SAO catalogs, 25 user defined objects, total 42,900 objects", "Controller": "SynScan hand controller, flash upgradeable, or PC direct", "Alignment Procedures": "One-, two- and three-star alignment", "Slew Speeds": "1000x, 800x, 600x, 400x, 200x, 32x, 16x, 8x, 2x, 1x", "WiFi": "Optional WiFi dongle", "GPS": "Optional SynScan GPS sold seperately", "Polar Align Assist": "", "PC Direct Connect Port": "Yes", "Auto Guide": "", "Permanent Periodic Correction": "", "Pointing Accuracy (RMS)": "", "Dual Encoders": "", "DSLR Interface": "", "Included Weights": "22lbs (two)", "Motor Type": "0.9° hybrid stepper motor", "Drive System": "Belt" }, "Shipping Weights & Dimensions": {} } }, "S11705": { "specs": { "SKU": "S11705", "UPC": "050234117050", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "Primary Aperture (mm)": "130", "Primary Edge Thickness": "", "F/Ratio": "5", "Focal Length (mm)": "650", "Secondary Diameter": "40mm", "Secondary Obstruction (by diameter)": "31%", "Secondary Obstruction by Area": "10%" }, "Observational Info": { "Dawes Limit": "0.89", "Rayleigh Limit": "1.04", "Limiting Mag.": "13.05", "Minimum Magnification": "18x", "Maximum Magnification": "256x", "Light Gathering (compared to 100mm telescope)": "56%" }, "General Info": { "Focuser": "1.25\" Helical", "OTA Length (Retract/Ext.)": "14.75\"/25\"", "OTA Outer Diameter": "168mm", "OTA Weight (with accessories)": "6.5 pounds", "Dob Base Weight": "13.5 pounds", "Dob Base Measurements": "14\"x17\"", "Zenith Eyepiece Height": "28\"" }, "Accessories": { "Included Finder": "Red Dot", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "25mm and 10mm SUPER eyepiece (1.25\")", "Magnification w/ Included Eyepieces": "26x (25mm)/65x (10mm)", "Included Case": "No" }, "Shipping Weights & Dimensions": {} } }, "S11710": { "specs": { "SKU": "S11710", "UPC": "050234117104", "Optical Info": { "Optical Design": "Newtonian", "Mirror Coatings": "Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity", "Lens Coatings": "N/A", "Glass Type": "Borosilicate", "Primary Aperture (mm)": "150", "Primary Edge Thickness": "", "F/Ratio": "5", "Focal Length (mm)": "750", "Secondary Diameter": "48mm", "Secondary Obstruction (by diameter)": "32%", "Secondary Obstruction by Area": "10%" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Mag.": "13.36", "Minimum Magnification": "21x", "Maximum Magnification": "295x", "Light Gathering (compared to 130mm telescope)": "44%" }, "General Info": { "Focuser": "1.25\" Helical", "OTA Length (Retract/Ext.)": "16.75\"/48\"", "OTA Outer Diameter": "184mm", "OTA Weight (with accessories)": "8 pounds", "Dob Base Weight": "15.5 pounds", "Dob Base Measurements": "14.75\"x17\"", "Zenith Eyepiece Height": "28\"" }, "Accessories": { "Included Finder": "Red Dot", "Included Diagonal": "No", "Mounting Accessories": "N/A", "Included Eyepieces": "25mm and 10mm SUPER eyepiece (1.25\")", "Magnification w/ Included Eyepieces": "30x (25mm)/75x (10mm)", "Included Case": "No" }, "Shipping Weights & Dimensions": {} } }, "S11305": { "specs": { "SKU": "S11305", "UPC": "050234113052", "Optical Info": { "Optical Design": "Apochromatic ", "Lens Coatings": "Fully multi-coated ", "Lens Design": "ED Doublet (Air Spaced)", "Glass Type": "ED Doublet", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "No", "Primary Aperture (mm)": "62", "F/Ratio": "6.45", "Focal Length (mm)": "400" }, "Observational Info": { "Dawes Limit": "1.87", "Rayleigh Limit": "2.25", "Limiting Mag.": "11.44", "Minimum Magnification": "9x", "Maximum Magnification": "122x", "Light Gathering (compared to next size down)": "N/A" }, "Mechanical Specifications": { "Focuser": "2.4\" Dual Speed (11:1) Rack & Pinion", "Focuser: Rotatable?": "No", "Compression Ring": "Yes", "Retractable dew shield": "Yes", "OTA material": "Aluminum", "OTA Length (Retract/Ext.)": "11.5\"/14.5\"", "Dew Shield diameter (mm)": "90mm", "OTA Diameter": "80mm", "OTA Weight (with accessories)": "5.5 lbs", "Mounting rings": "Yes", "Dovetail type": "V-style dovetail", "Dovetail length": "6\"" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "Evolux 62ED 0.9x reducer kit", "Optional Corrector/Reducer SKU": "S20206", "Reduction (reducer only)": "0.9x", "Corrector - insertable or thread-on": "Thread-on", "Corrector thread size": "M56x1 female/M48 male", "Corrector back focus": "55mm", "Corrector illuminated field": "30mm", "Includes one ED element": "Yes", "F/Ratio with reducer installed": "5.8", "Focal Length with reducer installed": "360mm", "Corrector adapter needed?": "Yes", "Corrector allow for 2\" filters?": "No (Adapter included with reducer)" }, "Accessories": { "Eyepieces": "No", "Diagonal": "No", "Mounting Hardware": "Clamshell/Dovetail", "Camera Adapter": "No", "Flattener or Corrector": "No", "Collimation eyepiece": "No", "Finder": "No", "Case": "Yes", "Case Dimensions": "14.25\" x 9.5\" x 6.5\"" }, "Shipping Weights & Dimensions": { "Shipping Weight": "11 lbs.", "Shipping Dimensions": "18\" x 13\" x 10\"" } } }, "S11310": { "specs": { "SKU": "S11310", "UPC": "050234113106", "Optical Info": { "Optical Design": "Apochromatic ", "Lens Coatings": "Fully multi-coated ", "Lens Design": "ED Doublet (Air Spaced)", "Glass Type": "ED Doublet", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Yes (Push/Pull Cell)", "Primary Aperture (mm)": "82", "F/Ratio": "6.45", "Focal Length (mm)": "530" }, "Observational Info": { "Dawes Limit": "1.41", "Rayleigh Limit": "1.7", "Limiting Mag.": "12", "Minimum Magnification": "12x", "Maximum Magnification": "161x", "Light Gathering (compared to next size down)": "75% (compared to Evolux 62ED)" }, "Mechanical Specifications": { "Focuser": "2.4\" Dual Speed (11:1) Rack & Pinion", "Focuser: Rotatable?": "No", "Compression Ring": "Yes", "Retractable dew shield": "Yes", "OTA material": "Aluminum", "OTA Length (Retract/Ext.)": "16.375\"/22.25\"", "Dew Shield diameter (mm)": "100mm", "OTA Diameter": "90mm", "OTA Weight (with accessories)": "6.5 lbs", "Mounting rings": "Yes", "Dovetail type": "V-style dovetail", "Dovetail length": "6\"" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "Evolux 82ED 0.9x reducer kit", "Optional Corrector/Reducer SKU": "S20207", "Reduction (reducer only)": "0.9x", "Corrector - insertable or thread-on": "Thread-on", "Corrector thread size": "M56x1 female/M48 male", "Corrector back focus": "55mm", "Corrector illuminated field": "36mm", "Includes one ED element": "Yes", "F/Ratio with reducer installed": "5.8", "Focal Length with reducer installed": "477mm", "Corrector adapter needed?": "Yes", "Corrector allow for 2\" filters?": "No (Adapter included with reducer)" }, "Accessories": { "Eyepieces": "No", "Diagonal": "No", "Mounting Hardware": "Clamshell/Dovetail", "Camera Adapter": "No", "Flattener or Corrector": "No", "Collimation eyepiece": "No", "Finder": "No", "Case": "Yes", "Case Dimensions": "19.5\" x 10.75\" x 7.75\"" }, "Shipping Weights & Dimensions": { "Shipping Weight": "13.2 lbs.", "Shipping Dimensions": "23\" x 13\" x 11\"" } } }, "S20590": { "specs": { "SKU": "S20590", "UPC": "810098970006", "General Mount Info": { "Mount Type": "Equatorial", "Mount instrument capacity": "11 lbs.", "Mount head size": "227mm x 227mm x 125mm", "Tripod mounting thread": "3/8", "Mounting saddle type": "V-style", "Counterweight bar included": "Yes", "Counterweight bar retractable?": "Yes, thread-on", "Counterweight bar length and diameter": "213mm and 20mm", "Type of motor": "Mini-DC Servo", "Drive type": "Gear", "Illuminated Polarscope?": "Yes", "Tracking Modes": "Sidereal, Solar, Lunar", "Latitude range": "0-70 degrees" }, "Computer/Drive System Info": { "GoTo": "Yes", "Hand controller port": "Yes", "Guide port": "Yes", "SNAP port": "Yes", "PC connect USB port": "Yes", "Cable management": "No", "Built-in GPS": "No", "Built-in WiFi": "Yes", "Hand controller": "No", "Power requirements": "12 volt", "Internal battery pack": "Yes (8x AAs)", "Mount power port size and style": "2.1mm female" }, "Included Accessories": { "Counter weight": "5 lbs (2.26kg)", "Polarscope": "Yes (installed and aligned)", "Tripod": "No", "Tripod Heights (Retracted/Extended)": "N/A", "Tripod Weights": "N/A", "Pier Extension": "No", "Pier Extension height": "N/A", "Power cable": "No", "PC link cable": "Yes", "SNAP cable": "No", "Hand controller holder": "No", "Manual": "Yes", "Case": "No" }, "Shipping Weights & Dimensions": { "Shipping weight": "12 lbs (5.4kg)", "Shipping dimensions": "12\"x16\"x7\"" } } }, "S20595": { "specs": { "SKU": "S20595", "UPC": "810098970013", "General Mount Info": { "Mount Type": "Equatorial", "Mount instrument capacity": "11 lbs.", "Mount head size": "227mm x 227mm x 125mm", "Tripod mounting thread": "3/8", "Mounting saddle type": "V-style", "Counterweight bar included": "Yes", "Counterweight bar retractable?": "Yes, thread-on", "Counterweight bar length and diameter": "213mm and 20mm", "Type of motor": "Mini-DC Servo", "Drive type": "Gear", "Illuminated Polarscope?": "Yes", "Tracking Modes": "Sidereal, Solar, Lunar", "Latitude range": "0-70 degrees" }, "Computer/Drive System Info": { "GoTo": "Yes", "Hand controller port": "Yes", "Guide port": "Yes", "SNAP port": "Yes", "PC connect USB port": "Yes", "Cable management": "No", "Built-in GPS": "No", "Built-in WiFi": "Yes", "Hand controller": "No", "Power requirements": "12 volt", "Internal battery pack": "Yes (8x AAs)", "Mount power port size and style": "2.1mm female" }, "Included Accessories": { "Counter weight": "5 lbs (2.26kg)", "Polarscope": "Yes (installed and aligned)", "Tripod": "Yes", "Tripod Heights (Retracted/Extended)": "26.75\"/44.5\" (68cm/113cm)", "Tripod Weights": "5.5 lbs (2.49kg)", "Pier Extension": "Yes", "Pier Extension height": "8.5\" (21.6cm)", "Power cable": "No", "PC link cable": "Yes", "SNAP cable": "No", "Hand controller holder": "No", "Manual": "Yes", "Case": "No" }, "Shipping Weights & Dimensions": { "Shipping weight": "30 lbs (13.6kg)", "Shipping dimensions": "44\"x13\"x9\"" } } }, "S21210": { "specs": { "SKU": "S21210", "UPC": "050234212106", "Optical Specifications": { "Optical Design ": "Newtonian", "Mirror Coating": "Protected Aluminum", "Reflectivity ": "94%", "Mirror Type (Monolithic/Conical/Fused conical)": "Monolithic", "Glass Type ": "Borosilicate ", "Primary Aperture (mm)": "130", "F/Ratio ": "5", "Focal Length (mm) ": "650mm", "Secondary Diameter (minor axis)": "40mm", "Secondary Obstruction by Diameter": "31%", "Secondary Obstruction by Area": "10%", "Primary cell supports (how many support points)": "Edge Support", "Optical Quality ": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Secondary & Primary" }, "Mechanical Specifications": { "Focuser Type ": "Helical", "Focuser Size": "1.25\"", "Focuser: Dual or Single Speed": "Single", "Compression Ring ": "No", "Drawtube thread size": "N/A", "Optical Tube length (exten/retract)": "25\"/14.75\"", "Optical Tube weight ": "6.5 pounds", "Assembled base weight ": "10.9 pounds", "Total Weight ": "17.3 pounds", "Type of bearing used (telfon/roller)": "Roller ", "Hardware included with base": "Yes", "Collapsible Tube": "Yes", "Tripod Mount": "3/8 thread block" }, "Electronic Specifications (GoTo only models)": { "Required Power": "12v/AAs (8x)", "Power port diameter": "2.1mm", "Freedom Find ": "Yes", "Clutch Type": "Hand Clutch", "Can clutches be adjusted": "Yes", "Cooling Fan mounting?": "N/A", "Built-in WiFi": "Yes", "Hand Controller ": "Optional", "Database ": "Complete Messier, Caldwell, NGC, IC and SAO catalogs, user defined objects. Total 10,000+ objects" }, "Accessories": { "Eyepieces ": "25mm and 10mm SUPER eyepiece (1.25\")", "Collimation eyepiece": "Yes", "Included finder ": "Red Dot ", "Mounting Hardware": "Dobsonian", "Additional Accessories": "None", "Manual ": "Yes", "Case": "No", "Case Measurements ": "N/A", "Case weight with telescope": "N/A", "Shipping Weight ": "20 pounds", "Shipping Dimensions (Box 1 / Box) ": "23\"x17\"x17\"" }, "Observational Info": { "Dawes Limit": "0.89", "Rayleigh Limit": "1.04", "Limiting Magnitude ": "13.05", "Minimum Magnification": "18x", "Maximum Magnification": "256x", "Magnification with included eyepieces": "26x (25mm)/65x (10mm)", "Light Gather (compared to next size down)": "56% (Compared to 100mm telescope)", "Intended use": "Visual" } } }, "S21225": { "specs": { "SKU": "S21225", "UPC": "810098970396", "Optical Specifications": { "Optical Design ": "Maksutov-Cassegrain", "Mirror Coating": "RAQ™ Coatings", "Reflectivity ": "94%", "Mirror Type (Monolithic/Conical/Fused conical)": "Conical", "Glass Type ": "Borosilicate ", "Primary Aperture (mm)": "127", "F/Ratio ": "12.1", "Focal Length (mm) ": "1540mm", "Secondary Diameter (minor axis)": "39mm", "Secondary Obstruction by Diameter": "31%", "Secondary Obstruction by Area": "9%", "Primary cell supports (how many support points)": "Center Baffle", "Optical Quality ": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Primary" }, "Mechanical Specifications": { "Focuser Type ": "Primary", "Focuser Size": "2\"", "Focuser: Dual or Single Speed": "Single", "Compression Ring ": "No", "Drawtube thread size": "N/A", "Optical Tube length": "15\"", "Optical Tube weight (with accessories)": "10 pounds", "Assembled base weight ": "11 pounds", "Total Weight (with accessories)": "21 pounds", "Type of bearing used (telfon/roller)": "Roller ", "Hardware included with base": "Yes", "Collapsible Tube": "No", "Tripod Mount": "3/8 thread block" }, "Electronic Specifications (GoTo only models)": { "Required Power": "12v/AAs (8x)", "Power port diameter": "2.1mm", "Freedom Find ": "Yes", "Clutch Type": "Hand Clutch", "Can clutches be adjusted": "Yes", "Cooling Fan mounting?": "N/A", "Built-in WiFi": "Yes", "Hand Controller ": "Optional", "Database ": "Complete Messier, Caldwell, NGC, IC and SAO catalogs, user defined objects. Total 10,000+ objects" }, "Accessories": { "Eyepieces ": "28mm 2\" LET eyepiece", "Collimation eyepiece": "No", "Included finder ": "9x50 optical finder", "Mounting Hardware": "V-style dovetail", "Additional Accessories": "2\" diagonal", "Manual ": "Yes", "Case": "No", "Case Measurements ": "N/A", "Case weight with telescope": "N/A", "Shipping Weight ": "28 pounds", "Shipping Dimensions (Box 1 / Box) ": "23\"x17\"x16.5\"" }, "Observational Info": { "Dawes Limit": "0.91", "Rayleigh Limit": "1.1", "Limiting Magnitude ": "13", "Minimum Magnification": "18x", "Maximum Magnification": "250x", "Magnification with included eyepieces": "55x (28mm)", "Light Gather (compared to next size down)": "55 (Compared to Skymax 102)", "Intended use": "Visual" } } }, "S21205": { "specs": { "SKU": "S21205", "UPC": "050234212052", "Optical Specifications": { "Optical Design ": "Newtonian", "Mirror Coating": "Protected Aluminum", "Reflectivity ": "94%", "Mirror Type (Monolithic/Conical/Fused conical)": "Monolithic", "Glass Type ": "Borosilicate ", "Primary Aperture (mm)": "150", "F/Ratio ": "5", "Focal Length (mm) ": "750mm", "Secondary Diameter (minor axis)": "48mm", "Secondary Obstruction by Diameter": "32%", "Secondary Obstruction by Area": "10%", "Primary cell supports (how many support points)": "Edge Support", "Optical Quality ": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Secondary & Primary" }, "Mechanical Specifications": { "Focuser Type ": "Helical", "Focuser Size": "1.25\"", "Focuser: Dual or Single Speed": "Single", "Compression Ring ": "No", "Drawtube thread size": "N/A", "Optical Tube length (exten/retract)": "27\"/16\"", "Optical Tube weight ": "8 pounds", "Assembled base weight ": "10.9 pounds", "Total Weight ": "19.15 pounds", "Type of bearing used (telfon/roller)": "Roller ", "Hardware included with base": "Yes", "Collapsible Tube": "Yes", "Tripod Mount": "3/8 thread block" }, "Electronic Specifications (GoTo only models)": { "Required Power": "12v/AAs (8x)", "Power port diameter": "2.1mm", "Freedom Find ": "Yes", "Clutch Type": "Hand Clutch", "Can clutches be adjusted": "Yes", "Cooling Fan mounting?": "N/A", "Built-in WiFi": "Yes", "Hand Controller ": "Optional", "Database ": "Complete Messier, Caldwell, NGC, IC and SAO catalogs, user defined objects. Total 10,000+ objects" }, "Accessories": { "Eyepieces ": "25mm and 10mm SUPER eyepiece (1.25\")", "Collimation eyepiece": "Yes", "Included finder ": "Red Dot ", "Mounting Hardware": "Dobsonian", "Additional Accessories": "None", "Manual ": "Yes", "Case": "No", "Case Measurements ": "N/A", "Case weight with telescope": "N/A", "Shipping Weight ": "21 pounds", "Shipping Dimensions (Box 1 / Box) ": "25\"x17\"x17\"" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Magnitude ": "13.36", "Minimum Magnification": "21x", "Maximum Magnification": "295x", "Magnification with included eyepieces": "30x (25mm)/75x (10mm)", "Light Gather (compared to next size down)": "44% (Compared to Heritage 130mm telescope)", "Intended use": "Visual" } } }, "S30820": { "specs": { "SKU": "S30820", "UPC": "050234308205", "General Mount Info": { "Mount Type": "Equatorial", "Payload Capacity (lbs)": "77", "Mount head size": "434mm x 176mm x 323mm", "Mount head weight (lbs)": "33", "Tripod Weight (lbs)": "", "Tripod Retracted/Extended": "", "Tripod Spread Retracted/Extended": "", "Tripod folded measurements": "", "Tripod Leg diameter": "", "Mounting Saddle type": "D/V-style", "Counterweight bar?": "Yes", "Counterweight bar retractable?": "No", "Counterweight bar length and diameter": "15\" x 31.5mm", "Type of motor": "Stepper", "Drive type": "Belt", "Spring Loaded Worms": "Yes", "RA gear size": "155mm", "Polar Scope": "Optional", "Tracking Modes": "Sideral, Solar, Lunar", "Latitude Range (degrees)": "10° to 70°" }, "Computer/Drive System Info": { "GoTo": "Yes", "Hand controller port ": "Yes (RJ-45, 8pin)", "Guide Port?": "Yes (RJ-12, 6pin)", "SNAP Port?": "Yes (2.1mm)", "PC connect USB port?": "Yes (USB-B)", "Cable management?": "Yes", "USBs (how many and type)": "4x USB ports", "Power ports (how many and type)": "3x 2.1mm central positive (DC 6v to 24v 5amp)", "AUX ports (how many and type)": "RJ-10, RJ-12, RJ-45", "Built-in GPS?": "No", "Built-in WiFi?": "No", "Hand controller? ": "Yes", "Hand controller cable used": "Yes", "GoTo Database": "42,000+ objects", "Power requirements?": "DC11~16v", "Internal Battery Pack": "No", "Mount power port size and style": "2.1mm female" }, "Included Accessories": { "Counter Weight": "2x 22 pound (9.9kg)", "Polarscope": "No", "Tripod": "No", "Power cable?": "Yes", "SNAP cable?": "Yes", "Hand controller holder?": "No", "Manual": "Yes", "Case": "No", "Case measurements": "No", "Shipping Weight (head box)": "53 pounds (24kg)", "Shipping Dimensions (head box)": "21.5\"x19\"x13.5\"", "Shipping Weight (tripod box)": "", "Shipping Dimensions (tripod box)": "" } } }, "S30810": { "specs": { "SKU": "S30810", "UPC": "050234308106", "General Mount Info": { "Mount Type": "Equatorial", "Payload Capacity (lbs)": "77", "Mount head size": "434mm x 176mm x 323mm", "Mount head weight (lbs)": "33", "Tripod Weight (lbs)": "34.5", "Tripod Retracted/Extended": "30.5\" / 42.5\"", "Tripod Spread Retracted/Extended": "39\"x56\"", "Tripod folded measurements": "11\"x11\"x37\"", "Tripod Leg diameter": "70mm", "Mounting Saddle type": "D/V-style", "Counterweight bar?": "Yes", "Counterweight bar retractable?": "No", "Counterweight bar length and diameter": "15\" x 31.5mm", "Type of motor": "Stepper", "Drive type": "Belt", "Spring Loaded Worms": "Yes", "RA gear size": "155mm", "Polar Scope": "Optional", "Tracking Modes": "Sideral, Solar, Lunar", "Latitude Range (degrees)": "10° to 70°" }, "Computer/Drive System Info": { "GoTo": "Yes", "Hand controller port ": "Yes (RJ-45, 8pin)", "Guide Port?": "Yes (RJ-12, 6pin)", "SNAP Port?": "Yes (2.1mm)", "PC connect USB port?": "Yes (USB-B)", "Cable management?": "Yes", "USBs (how many and type)": "4x USB ports", "Power ports (how many and type)": "3x 2.1mm central positive (DC 6v to 24v 5amp)", "AUX ports (how many and type)": "RJ-10, RJ-12, RJ-45", "Built-in GPS?": "No", "Built-in WiFi?": "No", "Hand controller? ": "Yes", "Hand controller cable used": "Yes", "GoTo Database": "42,000+ objects", "Power requirements?": "DC11~16v", "Internal Battery Pack": "No", "Mount power port size and style": "2.1mm female" }, "Included Accessories": { "Counter Weight": "2x 22 pound (9.9kg)", "Polarscope": "No", "Tripod": "Yes", "Power cable?": "Yes", "SNAP cable?": "Yes", "Hand controller holder?": "Yes", "Manual": "Yes", "Case": "No", "Case measurements": "No", "Shipping Weight (head box)": "53 pounds (24kg)", "Shipping Dimensions (head box)": "21.5\"x19\"x13.5\"", "Shipping Weight (tripod box)": "53 pounds (24kg)", "Shipping Dimensions (tripod box)": "45\"x18.5\"x20.5\"" } } }, "S30900": { "specs": { "SKU": "S30900", "UPC": "810098970426", "General Mount Info": { "Mount type (AZ, EQ or borth)": "AZ/EQ", "Mount capacity w/o weight": "22 pounds", "Mount capacity w/ weight": "33 pounds", "Mount head size": "235.5mm x 128.4mm x 171mm", "Mount head weight": "9.3 pounds", "Mounting Thread Size": "3/8\"-16", "Mounting Saddle type": "D/V-style", "Counterweight bar?": "Optional", "Counterweight bar retractable?": "N/A", "Counterweight bar length and diameter": "N/A", "Type of motor": "Stepper", "Drive type (belt, gear, direct, etc…)": "Belt", "RA Gear Ratio": "81 x 4", "Dec gear ratio": "81 x 4", "Clutch type": "Strain-Wave", "Tracking Modes": "Sideral, Solar, Lunar", "Maximum Slew Speed": "7.5 degrees/second", "Latitude range (in degrees)": "0° to 90°", "Operational Temperature": "14° F ~ 131° F (-10°C ~ 50°C)" }, "Computer/Drive System Info": { "Board(s) used": "", "GoTo": "Yes", "Freedom Find?": "No", "Hand controller port": "Yes", "Guide Port?": "Yes", "SNAP Port?": "No", "PC connect USB port?": "Yes", "Cable management?": "No", "Cable management: USBs (how many and type)": "N/A", "Cable management: USBs hub powered?": "N/A", "Cable management: Power ports (how many and type)": "N/A", "Cable management: AUX ports (how many and type)": "N/A", "Built-in GPS?": "No", "Built-in WiFi?": "Yes", "Built-in Heliofind?": "N/A", "Hand controller?": "No", "Hand controller cable used": "N/A", "GoTo Database": "42,000+", "Power requirements?": "DC12~16v, 2A", "Internal Battery Pack": "No", "Power Duration (with AAs)": "N/A", "Mount power port size and style": "2.1mm Center-Positive" }, "Mount Accessories": { "Hand Controller": "No* (Optional)", "Tripod": "No* (Optional)", "Accessory Tray": "No* (Optional)", "Tripod Extension": "No* (Optional)", "Power Cable": "Included", "Additional Accessories": "USB-B 2.0 update cable", "Counter Weight Bar": "N/A", "Counter Weight Bar Extension": "N/A", "Counter Weight(s)": "N/A", "Secondary Saddle": "Yes (included)", "SNAP cable": "N/A", "Motor Controller Box": "No", "Motor Cables": "No", "Hand controller Holder": "No", "Manual": "Yes", "Case": "Yes" }, "Weights and Dimensions": { "Shipping Weight": "17.6 pounds", "Shipping Dimensions": "17\" x 14.2\" x 10" } } }, "S30905": { "specs": { "SKU": "S30905", "UPC": "810098970433", "General Mount Info": { "Mount type (AZ, EQ or borth)": "AZ/EQ", "Mount capacity w/o weight": "33 pounds", "Mount capacity w/ weight": "55 pounds", "Mount head size": "252mm x158mm x 184mm", "Mount head weight": "12.8 pounds", "Mounting Thread Size": "3/8\"-16", "Mounting Saddle type": "D/V-style", "Counterweight bar?": "Optional", "Counterweight bar retractable?": "N/A", "Counterweight bar length and diameter": "N/A", "Type of motor": "Stepper", "Drive type (belt, gear, direct, etc…)": "Belt", "RA Gear Ratio": "101 x 3", "Dec gear ratio": "84 x 3.4", "Clutch type": "Strain-Wave", "Tracking Modes": "Sideral, Solar, Lunar", "Maximum Slew Speed": "7.5 degrees/second", "Latitude range (in degrees)": "0° to 90°", "Operational Temperature": "14° F ~ 131° F (-10°C ~ 50°C)" }, "Computer/Drive System Info": { "Board(s) used": "", "GoTo": "Yes", "Freedom Find?": "No", "Hand controller port": "Yes", "Guide Port?": "Yes", "SNAP Port?": "No", "PC connect USB port?": "Yes", "Cable management?": "Yes", "Cable management: USBs (how many and type)": "USB 2.0 (1x)", "Cable management: USBs hub powered?": "No", "Cable management: Power ports (how many and type)": "Two (2.5mm/5amp DC Max)", "Cable management: AUX ports (how many and type)": "None", "Built-in GPS?": "No", "Built-in WiFi?": "Yes", "Built-in Heliofind?": "N/A", "Hand controller?": "No", "Hand controller cable used": "N/A", "GoTo Database": "42,000+", "Power requirements?": "DC12~16v, 2A", "Internal Battery Pack": "No", "Power Duration (with AAs)": "N/A", "Mount power port size and style": "2.1mm Center-Positive" }, "Mount Accessories": { "Hand Controller": "No* (Optional)", "Tripod": "No* (Optional)", "Accessory Tray": "No* (Optional)", "Tripod Extension": "No* (Optional)", "Power Cable": "Included", "Additional Accessories": "USB-B 2.0 update cable", "Counter Weight Bar": "N/A", "Counter Weight Bar Extension": "N/A", "Counter Weight(s)": "N/A", "Secondary Saddle": "No", "SNAP cable": "N/A", "Motor Controller Box": "No", "Motor Cables": "No", "Hand controller Holder": "No", "Manual": "Yes", "Case": "Yes" }, "Weights and Dimensions": { "Shipping Weight": "20.7 pounds", "Shipping Dimensions": "17\" x 14.2\" x 11.2" } } }, "S11330": { "specs": { "SKU": "S11330", "Optical Specifications ": { "Optical Design": "Achromatic", "Lens Coating": "H-alpha fully multicoated", "Lens Design": "Doublet", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "No (Self Aligning Cell)", "Primary Aperture": "76mm", "F/Ratio": "8.3", "Focal Length": "630mm", "Blocking Filter Size": "11.5mm", "Solar Image Size": "6mm", "Bandpass": "< 0.5Å" }, "Mechanical Specifications ": { "Focuser Type ": "Crayford ", "Focuser Size": "2\"", "Focuser: Dual or Single Speed": "Dual speed", "Compression Ring ": "No* (Only on diagonal)", "OTA material ": "Aluminum ", "Optical Tube length (inches)": "24\"", "Optical Tube weight (pounds)": "8.4 pounds", "Mounting Rings?": "Mounting Rings", "Dovetail type": "V-style" }, "Accessories": { "Eyepieces ": "20mm 70º 1.25\" eyepiece", "Diagonal": "11.5mm 1.25\" H-alpha blocking diagonal", "Camera Adapter": "Cell phone adapter", "Additonal Accessories": "Sun shade", "Included finder ": "Heliostar solar finder", "Manual ": "Digital PDF", "Case": "Yes", "Case Dimensions": "N/A" }, "Observational Info": { "Dawes Limit": "1.52", "Rayleigh Limit": "1.84", "Limiting Magnitude ": "11.88", "Minimum Magnification": "7x", "Maximum Magnification": "150x", "Magnification with included eyepieces": "32x", "Light Gather (compared to next size down)": "N/A", "Intended use": "Solar (visual & Imaging)" } } }, "S30515": { "specs": { "SKU": "S30515", "UPC": "810098970402", "Mount General Specifications": { "Mount type (AZ, EQ or borth)": "Equatorial", "Mount weight insturment capacity": "22 pounds (9.97kg)", "Mount head size": "286mm x 241mm x 133mm", "Mount head weight": "8.2 pounds (3.7kg)", "Tripod Weight": "11.5 pounds", "Tripod Retracted/Extended": "45\"/58\"", "Tripod Spread Retracted/Extended": "33.5\"/45\"", "Tripod folded measurements": "39\" long", "Tripod Leg diameter": "1.75\"", "Tripod Mounting Thread": "N/A", "Counter weight bar": "10.75\" x 20mm", "Mounting Saddle type": "V-style", "Counterweight bar?": "Yes", "Counterweight bar retractable?": "No", "Counterweight bar length and diameter": "15\"x31.5mm", "Type of motor": "Servo", "Drive type (belt, gear, direct, etc.)": "Gear", "Spring Loaded Worms": "No", "RA gear size": "73mm", "Polarscope?": "Yes", "Polarscope illuminated?": "Yes", "Tracking Modes": "Sideral, Solar, Lunar", "Latitude range (in degrees)": "0°-80°" }, "Electronics Specifications": { "GoTo": "Yes", "Freedom Find?": "No", "Hand controller port": "Yes (RJ-45, 8-pin)", "Guide Port?": "Yes (RJ-12, 6-pin)", "SNAP Port?": "Yes (2.1mm)", "PC connect USB port?": "Yes (USB-C)", "Cable management?": "No", "Cable management: USBs (how many and type)": "None", "Cable management: Power ports (how many and type)": "None", "Cable management: AUX ports (how many and type)": "None", "Built-in GPS?": "No", "Built-in WiFi?": "Yes", "Hand controller?": "No* (Optional)", "Hand controller cable used": "Yes", "GoTo Database": "42,000+", "Power requirements?": "DC9 ~ 12.6V", "Internal Battery Pack": "No", "Power Duration (with Aas)": "N/A", "Mount power port size and style": "2.1mm female", "Motor controller box external?": "N/A", "Motor cable?": "N/A" }, "Included Accessories": { "Counter Weight": "3.9 lbs (1.8kg) & 7.7 lbs (3.5kg)", "EQ base": "Optional", "Dec. Bracket": "Optional", "Ball Head adapter": "Optional", "Polarscope illuminator": "Included", "Polarscope": "Yes", "Tripod": "Yes", "Pier Extension": "No", "Pier Extension Height": "N/A", "Power Cable?": "Yes", "SNAP cable?": "No", "Additional Accessories": "None", "Hand controller holder?": "No", "Manual": "Yes", "Case": "No", "Case Measurements": "No", "Shipping Weight": "25.35 pound (14.8kg)", "Shipping Dimensions": "40\" x 19\" x 9\"" } } }, "S11250": { "specs": { "SKU": "S11250", "UPC": "810098970648", "Optical Specifications ": { "Optical Design ": "Honders Advanced Catadioptric ", "Mirror Coating": "Radiant Aluminum Quartz (RAQ)™ Coatings", "Reflectivity ": 0.94, "Mirror Type (Monolithic/Conical/Fused conical)": "Mangin", "Corrector Coating": "HTMC™", "Glass Type ": "Borosilicate ", "Primary Aperture (mm)": 125, "F/Ratio ": 2, "Focal Length (mm) ": "250mm", "Image Circle": "16mm", "Secondary Obstruction by Diameter": "53mm", "Secondary Obstruction by Area": 0.425, "Secondary Edge thickness": "N/A", "Primary cell supports (how many support points)": "Rear Support", "Optical Quality ": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Primary" }, "Mechanical Specifications ": { "Focuser Type ": "Primary focus", "Focuser Size": "Primary Mirror Helical", "Focuser: Dual or Single Speed": "Single", "Compression Ring ": "No", "Drawtube thread size": "N/A", "Spider Vein thickness": "N/A", "Optical Tube length ": "15.7 inches", "Optical Tube diameter ": "6.3 inches", "Optical Tube weight ": "8.4 pounds" }, "Accessories": { "Eyepieces ": "N/A", "Collimation eyepiece": "N/A", "Included finder ": "None", "Mounting Hardware": "Clamshell rings with V-style dovetail", "Additional Accessories": "1.25\" & M42x0.75 camera adapters", "Manual ": "No", "Case": "No", "Case Measurements ": "N/A", "Case weight with telescope": "N/A", "Shipping Weight ": "10 pounds", "Shipping Dimensions ": "19.3\"x10.6\"x11\"" }, "Observational Info": { "Dawes Limit": 0.93, "Rayleigh Limit": 1.12, "Limiting Magnitude ": 12.96, "Minimum Magnification": "N/A", "Maximum Magnification": "N/A", "Magnification with included eyepieces": "N/A", "Light Gather (compared to next size down)": "56% (compared to 100mm telescope)", "Intended use": "Imaging" } } }, "S51000": { "specs": { "SKU": "S51000", "UPC": "810098970938", "Technical Specifications": { "Focal Length": "22mm", "Barrel Size": "2\"", "Apparent Field of View (degrees)": "82\u00b0", "Field Stop Diameter": "", "Eye Relief": "18mm", "Elements": "7", "Threaded for Filters": "Yes", "Case": "Yes", "Length and Width": "4.75\" x 2.375\"", "Weight": "1.3 pounds" }, "Shipping Weights and DIMS": { "Case Dimensions": "6\"x4\"x3.25\"", "Shipping Weight": "1.5 pounds", "Shipping Dimensions": "7\"x4.75\"x4.5\"" } } }, "S51001": { "specs": { "SKU": "S51001", "UPC": "810098970945", "Technical Specifications": { "Focal Length": "16mm", "Barrel Size": "2\"", "Apparent Field of View (degrees)": "82\u00b0", "Field Stop Diameter": "", "Eye Relief": "14mm", "Elements": "7", "Threaded for Filters": "Yes", "Case": "Yes", "Length and Width": "4.75\" x 2.25\"", "Weight": "1.2 pounds" }, "Shipping Weights and DIMS": { "Case Dimensions": "6\"x4\"x3.25\"", "Shipping Weight": "1.5 pounds", "Shipping Dimensions": "7\"x4.75\"x4.5\"" } } }, "S51002": { "specs": { "SKU": "S51002", "UPC": "810098970952", "Technical Specifications": { "Focal Length": "9mm", "Barrel Size": "1.25\"", "Apparent Field of View (degrees)": "82\u00b0", "Field Stop Diameter": "", "Eye Relief": "8mm", "Elements": "7", "Threaded for Filters": "Yes", "Case": "Yes", "Length and Width": "3\" x 1.43\"", "Weight": "0.36 pounds" }, "Shipping Weights and DIMS": { "Case Dimensions": "6\"x4\"x3.25\"", "Shipping Weight": "1 pound", "Shipping Dimensions": "7\"x4.75\"x4.5\"" } } }, "S11315": { "specs": { "SKU": "S11315", "UPC": "810098970624", "Optical Specifications": { "Optical Design (achro or apo)": "Achromatic", "Lens Coating (fully multi-coated)?": "H-alpha fully multicoated", "Lens design (doublet, triplet or Quad)": "Doublet", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "No (Self Aligning Cell)", "Primary Aperture (mm)": "76mm", "F/Ratio": "8.3", "Focal Length (mm)": "630mm", "Blocking Filter Size": "12mm", "Solar Image Size": "6mm", "Bandpass": "< 0.55\u00c5" }, "Mechanical Specifications": { "Focuser Type": "Crayford", "Focuser Size": "2\"", "Focuser: Dual or Single Speed": "Dual speed", "Compression Ring": "No* (Only on diagonal)", "OTA material": "Aluminum", "Optical Tube length (inches)": "24\"", "Optical Tube weight (pounds)": "8.4 pounds", "Mounting Rings?": "Mounting Rings", "Dovetail type": "V-style", "Dovetail length": "" }, "Accessories": { "Eyepieces": "20mm 70\u00ba 1.25\" eyepiece", "Diagonal": "12mm 1.25\" H-alpha blocking diagonal", "Camera Adapter": "Cell phone adapter", "Additonal Accessories": "Sun shade", "Included finder": "Heliostar solar finder", "Manual": "Digital PDF", "Case": "Yes", "Case Dimensions": "N/A" }, "Observational Info": { "Dawes Limit": "1.52", "Rayleigh Limit": "1.84", "Limiting Magnitude": "11.88", "Minimum Magnification": "7x", "Maximum Magnification": "150x", "Magnification with included eyepieces": "32x", "Light Gather (compared to next size down)": "N/A", "Intended use": "Solar (visual & Imaging)" } } }, "S11325": { "specs": { "SKU": "S11325", "UPC": "810098970747", "Optical Specifications": { "Optical Design (achro or apo)": "Achromatic", "Lens Coating (fully multi-coated)?": "H-alpha fully multicoated", "Lens design (doublet, triplet or Quad)": "Doublet", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "No (Self Aligning Cell)", "Primary Aperture (mm)": "100mm", "F/Ratio": "7.6", "Focal Length (mm)": "760mm", "Blocking Filter Size": "20mm", "Solar Image Size": "7.6mm", "Bandpass": "< 0.55\u00c5" }, "Mechanical Specifications": { "Focuser Type": "Crayford", "Focuser Size": "2\"", "Focuser: Dual or Single Speed": "Dual speed", "Compression Ring": "No* (Only on diagonal)", "OTA material": "Aluminum", "Optical Tube length (inches)": "30\"", "Optical Tube weight (pounds)": "13.2 pounds", "Mounting Rings?": "Mounting Rings", "Dovetail type": "V-style", "Dovetail length": "" }, "Accessories": { "Eyepieces": "22mm 70\u00ba 1.25\" eyepiece", "Diagonal": "20mm 1.25\" H-alpha blocking diagonal", "Camera Adapter": "No", "Additonal Accessories": "Sun shade & 2\" adapter", "Included finder": "Heliostar solar finder", "Manual": "Digital PDF", "Case": "Yes", "Case Dimensions": "N/A" }, "Observational Info": { "Dawes Limit": "1.16", "Rayleigh Limit": "1.4", "Limiting Magnitude": "12.48", "Minimum Magnification": "14x", "Maximum Magnification": "197x", "Magnification with included eyepieces": "35x", "Light Gather (compared to next size down)": "73% compared to Heliostar 76Ha", "Intended use": "Solar (visual & Imaging)" } } }, "S11135": { "specs": { "SKU": "S11135", "UPC": "810098970822", "Optical Specifications": { "Optical Design (achro or apo)": "Apochromatic", "Lens Coating (fully multi-coated)?": "Fully multi-coated", "Lens design (doublet, triplet or Quad)": "ED Doublet (Air Spaced)", "ED Glass": "FPL-53", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "No (Self Aligning Cell)", "Primary Aperture (mm)": "80mm", "F/Ratio": "7.5", "Focal Length (mm)": "600mm", "Telescope Backfocus": "" }, "Included Corrector Specifications": { "Field Flattener or Reducer?": "N/A", "Thread-On or Insertable": "N/A", "Corrector Thread size": "N/A", "Corrector Back Focus": "N/A", "Corrector illuminated field": "N/A", "Corrector adapter needed?": "N/A", "Corrector allow for 2\" filters?": "N/A" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "Evostar 80ED 0.85x reducer/flattener", "Optional Corrector/Reducer SKU": "S20200", "Reduction (reducer only)": "0.85x", "Corrector - insertable or thread-on": "Thread on", "Corrector Thread size": "M56x1 female/48mm male", "Corrector Back Focus": "55mm", "Corrector illuminated field": "43mm", "F/Ratio with reducer installed": "6.375", "Focal Length with reducer installed": "510mm", "Corrector adapter needed?": "Included with telescope", "Corrector allow for 2\" filters?": "No* (Adapter needed)" }, "Mechanical Specifications": { "Focuser Type": "Crayford", "Focuser Size": "2.8\"", "Focuser: Dual or Single Speed": "Dual speed (11:1 ratio)", "Focuser: Rotatable?": "No", "Camera Angle Adjuster?": "Yes", "Compression Ring": "Yes", "Retractable dew shield?": "No* (Removeable (thread-on))", "OTA material": "Aluminum", "Optical Tube length Retracted/Extended (inches)": "22\" / 18.7\"", "Dew Shield diameter (mm)": "4.84\" (123mm)", "OTA Diameter (mm)": "", "Optical Tube weight (pounds)": "", "Optical Tube weight with included accessories (pounds)": "7.3 pounds", "Mounting Rings?": "Yes", "Dovetail type": "V-style", "Dovetail length": "8\"", "Mounting ring threads (lower holes)": "", "Mounting ring threads (upper holes)": "1/4-20" }, "Accessories": { "Eyepieces": "No", "Diagonal": "No", "Mounting Hardware": "Mounting Rings/Dovetail", "Camera Adapter": "No", "Flatter or Corrector": "No", "Additonal Accessories": "No", "Collimation eyepiece": "None", "Included finder": "No", "Manual": "Yes", "Case": "Yes", "Case Dimensions": "", "Shipping Weight": "19.5 pounds", "Shipping Dimensions/Weight": "29.25\" x 15\" x 12\"" }, "Observational Info": { "Dawes Limit": "1.45", "Rayleigh Limit": "1.75", "Limiting Magnitude": "12", "Minimum Magnification": "11x", "Maximum Magnification": "157x", "Light Gather (compared to next size down)": "24% (compared to 72ED)", "Intended use": "Visual/Imaging" } } }, "S11145": { "specs": { "SKU": "S11145", "UPC": "810098970839", "Optical Specifications": { "Optical Design (achro or apo)": "Apochromatic", "Lens Coating (fully multi-coated)?": "Fully multi-coated", "Lens design (doublet, triplet or Quad)": "ED Doublet (Air Spaced)", "ED Glass": "FPL-53", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "No (Self Aligning Cell)", "Primary Aperture (mm)": "100mm", "F/Ratio": "7", "Focal Length (mm)": "700mm", "Telescope Backfocus": "" }, "Included Corrector Specifications": { "Field Flattener or Reducer?": "N/A", "Thread-On or Insertable": "N/A", "Corrector Thread size": "N/A", "Corrector Back Focus": "N/A", "Corrector illuminated field": "N/A", "Corrector adapter needed?": "N/A", "Corrector allow for 2\" filters?": "N/A" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "Esprit 70EDX/Evostar 100EDX flattener", "Optional Corrector/Reducer SKU": "S20216", "Reduction (reducer only)": "0.92x", "Corrector - insertable or thread-on": "Thread on", "Corrector Thread size": "M56x1 female/48mm male", "Corrector Back Focus": "55mm", "Corrector illuminated field": "43mm", "F/Ratio with reducer installed": "6.44", "Focal Length with reducer installed": "644mm", "Corrector adapter needed?": "Included with telescope", "Corrector allow for 2\" filters?": "No* (Adapter needed)" }, "Mechanical Specifications": { "Focuser Type": "Crayford", "Focuser Size": "2.8\"", "Focuser: Dual or Single Speed": "Dual speed (11:1 ratio)", "Focuser: Rotatable?": "No", "Camera Angle Adjuster?": "Yes", "Compression Ring": "Yes", "Retractable dew shield?": "No* (Removeable (thread-on))", "OTA material": "Aluminum", "Optical Tube length Retracted/Extended (inches)": "29.13\" / 25.2\"", "Dew Shield diameter (mm)": "5\" (128mm)", "OTA Diameter (mm)": "", "Optical Tube weight (pounds)": "", "Optical Tube weight with included accessories (pounds)": "8.4 pounds", "Mounting Rings?": "Yes", "Dovetail type": "V-style", "Dovetail length": "8\"", "Mounting ring threads (lower holes)": "", "Mounting ring threads (upper holes)": "1/4-20" }, "Accessories": { "Eyepieces": "No", "Diagonal": "No", "Mounting Hardware": "Mounting Rings/Dovetail", "Camera Adapter": "No", "Flatter or Corrector": "No", "Additonal Accessories": "No", "Collimation eyepiece": "None", "Included finder": "No", "Manual": "Yes", "Case": "Yes", "Case Dimensions": "", "Shipping Weight": "21 pounds", "Shipping Dimensions/Weight": "33\" x 16\" x 16\"" }, "Observational Info": { "Dawes Limit": "1.16", "Rayleigh Limit": "1.4", "Limiting Magnitude": "12.5", "Minimum Magnification": "14x", "Maximum Magnification": "197x", "Light Gather (compared to next size down)": "56% (compared to Evostar 80EDX)", "Intended use": "Visual/Imaging" } } }, "S11155": { "specs": { "SKU": "S11155", "UPC": "810098970846", "Optical Specifications": { "Optical Design (achro or apo)": "Apochromatic", "Lens Coating (fully multi-coated)?": "Fully multi-coated", "Lens design (doublet, triplet or Quad)": "ED Doublet (Air Spaced)", "ED Glass": "FPL-53", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "No (Self Aligning Cell)", "Primary Aperture (mm)": "120mm", "F/Ratio": "7.5", "Focal Length (mm)": "900mm", "Telescope Backfocus": "" }, "Included Corrector Specifications": { "Field Flattener or Reducer?": "N/A", "Thread-On or Insertable": "N/A", "Corrector Thread size": "N/A", "Corrector Back Focus": "N/A", "Corrector illuminated field": "N/A", "Corrector adapter needed?": "N/A", "Corrector allow for 2\" filters?": "N/A" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "Evostar 120ED 0.85x reducer/flattener", "Optional Corrector/Reducer SKU": "S20202", "Reduction (reducer only)": "0.85x", "Corrector - insertable or thread-on": "Thread on", "Corrector Thread size": "M56x1 female/48mm male", "Corrector Back Focus": "55mm", "Corrector illuminated field": "43mm", "F/Ratio with reducer installed": "6.375", "Focal Length with reducer installed": "765mm", "Corrector adapter needed?": "Included with telescope", "Corrector allow for 2\" filters?": "No* (Adapter needed)" }, "Mechanical Specifications": { "Focuser Type": "Crayford", "Focuser Size": "2.8\"", "Focuser: Dual or Single Speed": "Dual speed (11:1 ratio)", "Focuser: Rotatable?": "No", "Camera Angle Adjuster?": "Yes", "Compression Ring": "Yes", "Retractable dew shield?": "No* (Removeable (thread-on))", "OTA material": "Aluminum", "Optical Tube length Retracted/Extended (inches)": "33.38\" / 30.47\"", "Dew Shield diameter (mm)": "6\" (150mm)", "OTA Diameter (mm)": "", "Optical Tube weight (pounds)": "", "Optical Tube weight with included accessories (pounds)": "13.9 pounds", "Mounting Rings?": "Yes", "Dovetail type": "V-style", "Dovetail length": "8\"", "Mounting ring threads (lower holes)": "", "Mounting ring threads (upper holes)": "1/4-20" }, "Accessories": { "Eyepieces": "No", "Diagonal": "No", "Mounting Hardware": "Mounting Rings/Dovetail", "Camera Adapter": "No", "Flatter or Corrector": "No", "Additonal Accessories": "No", "Collimation eyepiece": "None", "Included finder": "No", "Manual": "Yes", "Case": "Yes", "Case Dimensions": "", "Shipping Weight": "33 pounds", "Shipping Dimensions/Weight": "38.25\" x 17\" x 14.5\"" }, "Observational Info": { "Dawes Limit": "0.97", "Rayleigh Limit": "1.16", "Limiting Magnitude": "12.9", "Minimum Magnification": "17x", "Maximum Magnification": "236x", "Light Gather (compared to next size down)": "44% (compared to Evostar 100EDX)", "Intended use": "Visual/Imaging" } } }, "S11190": { "specs": { "SKU": "S11190", "UPC": "050234111904", "Optical Specifications": { "Optical Design (achro or apo)": "Apochromatic", "Lens Coating (fully multi-coated)?": "Fully multi-coated", "Lens design (doublet, triplet or Quad)": "ED Doublet (Air Spaced)", "ED Glass": "", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "No (Self Aligning Cell)", "Primary Aperture (mm)": "150mm", "F/Ratio": "8", "Focal Length (mm)": "1200mm", "Telescope Backfocus": "" }, "Included Corrector Specifications": { "Field Flattener or Reducer?": "N/A", "Thread-On or Insertable": "N/A", "Corrector Thread size": "N/A", "Corrector Back Focus": "N/A", "Corrector illuminated field": "N/A", "Corrector adapter needed?": "N/A", "Corrector allow for 2\" filters?": "N/A" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "Evostar 120ED 0.85x reducer/flattener", "Optional Corrector/Reducer SKU": "S20203", "Reduction (reducer only)": "0.85x", "Corrector - insertable or thread-on": "Thread on", "Corrector Thread size": "M56x1 female/48mm male", "Corrector Back Focus": "55mm", "Corrector illuminated field": "43mm", "F/Ratio with reducer installed": "6.8", "Focal Length with reducer installed": "1020mm", "Corrector adapter needed?": "No* (Rotator Adapter is optional)", "Corrector allow for 2\" filters?": "No* (Adapter needed)" }, "Mechanical Specifications": { "Focuser Type": "Crayford", "Focuser Size": "2\"", "Focuser: Dual or Single Speed": "Dual speed (11:1 ratio)", "Focuser: Rotatable?": "No", "Camera Angle Adjuster?": "", "Compression Ring": "No", "Retractable dew shield?": "No* (Removeable (thread-on))", "OTA material": "Aluminum", "Optical Tube length Retracted/Extended (inches)": "50.5\"", "Dew Shield diameter (mm)": "180.34mm", "OTA Diameter (mm)": "152mm", "Optical Tube weight (pounds)": "19 pounds", "Optical Tube weight with included accessories (pounds)": "20.5 pounds", "Mounting Rings?": "Yes", "Dovetail type": "V-style", "Dovetail length": "13\"", "Mounting ring threads (lower holes)": "", "Mounting ring threads (upper holes)": "1/4-20" }, "Accessories": { "Eyepieces": "No", "Diagonal": "No", "Mounting Hardware": "Mounting Rings/Dovetail", "Camera Adapter": "No", "Flatter or Corrector": "No", "Additonal Accessories": "No", "Collimation eyepiece": "No", "Included finder": "No", "Manual": "No", "Case": "Yes", "Case Dimensions": "55\"x14.8\"x11\"", "Shipping Weight": "58 pounds", "Shipping Dimensions/Weight": "57\"x14\"x18\"" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Magnitude": "13.3", "Minimum Magnification": "21x", "Maximum Magnification": "295x", "Light Gather (compared to next size down)": "71% (compared to Evostar 120ED)", "Intended use": "Visual/Imaging" } } }, "S11425": { "specs": { "SKU": "S11425", "UPC": "810098970709", "Optical Specifications": { "Optical Design (achro or apo)": "Super-Apochromatic", "Lens Coating (fully multi-coated)?": "Fully multi-coated", "Lens design (doublet, triplet or Quad)": "ED Triplet (Air Spaced)", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Yes (Push/Pull Cell)", "Primary Aperture (mm)": "70mm", "F/Ratio": "7", "Focal Length (mm)": "490mm", "Telescope Backfocus": "" }, "Optional Corrector Specifications": { "Field Flattener or Reducer?": "Flattener", "Thread-On or Insertable": "Thread-On", "Corrector Thread size": "M65x1 female/M66x1 male", "Corrector Back Focus": "66mm", "Corrector illuminated field": "33mm", "Corrector adapter needed?": "Yes (Included with telescope)", "Corrector allow for 2\" filters?": "Yes" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "N/A", "Optional Corrector/Reducer SKU": "N/A", "Reduction (reducer only)": "N/A", "Corrector - insertable or thread-on": "N/A", "Corrector Thread size": "N/A", "Corrector Back Focus": "N/A", "Corrector illuminated field": "N/A", "F/Ratio with reducer installed": "N/A", "Focal Length with reducer installed": "N/A", "Corrector adapter needed?": "N/A", "Corrector allow for 2\" filters?": "N/A" }, "Mechanical Specifications": { "Focuser Type": "Linear Rail Rack & Pinion", "Focuser Size": "2.7\"", "Focuser: Dual or Single Speed": "Dual speed (11:1 ratio)", "Focuser: Rotatable?": "Yes", "Camera Adjuster": "Yes", "Compression Ring": "Yes", "Drawtube thread size": "M74x1", "Retractable dew shield?": "Yes", "OTA material": "Aluminum", "Optical Tube length Retracted/Extended (inches)": "14.5\" / 16.5\"", "Dew Shield diameter (inches)": "4.17\"", "OTA Diameter (mm)": "101mm", "Optical Tube weight (pounds)": "", "Optical Tube weight with included accessories (pounds)": "7 pounds", "Mounting Rings?": "Yes", "Mounting Ring hole thread size(s)": "", "Dovetail type": "V-style Mounting foot", "Dovetail length": "6\"" }, "Accessories": { "Eyepieces": "No", "Diagonal": "None", "Handle": "Yes", "Mounting Hardware": "Mounting Rings/Dovetail", "Flatter or Corrector": "Optional", "Additonal Accessories": "None", "Collimation eyepiece": "No", "Included finder": "None", "Manual": "No (PDF online)", "Case": "Yes", "Case Dimensions": "", "Shipping Weight": "23.5", "Shipping Dimensions/Weight": "22.5\"x17.5\"x14.5\"" }, "Observational Info": { "Dawes Limit": "1.65", "Rayleigh Limit": "2", "Limiting Magnitude": "11.7", "Minimum Magnification": "10x", "Maximum Magnification": "138x", "Magnification with included eyepieces": "N/A", "Light Gather (compared to next size down)": "37% (compared to 60mm)", "Intended use": "Visual/Imaging" } } }, "S11435": { "specs": { "SKU": "S11435", "UPC": "810098970716", "Optical Specifications": { "Optical Design (achro or apo)": "Super-Apochromatic", "Lens Coating (fully multi-coated)?": "Fully multi-coated", "Lens design (doublet, triplet or Quad)": "ED Triplet (Air Spaced)", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Yes (Push/Pull Cell)", "Primary Aperture (mm)": "100mm", "F/Ratio": "5.5", "Focal Length (mm)": "550mm", "Telescope Backfocus": "" }, "Optional Corrector Specifications": { "Field Flattener or Reducer?": "Flattener", "Thread-On or Insertable": "Thread-On", "Corrector Thread size": "M65x1 female/M66x1 male", "Corrector Back Focus": "63mm", "Corrector illuminated field": "40mm", "Corrector adapter needed?": "Yes (Included with telescope)", "Corrector allow for 2\" filters?": "No" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "N/A", "Optional Corrector/Reducer SKU": "N/A", "Reduction (reducer only)": "N/A", "Corrector - insertable or thread-on": "N/A", "Corrector Thread size": "N/A", "Corrector Back Focus": "N/A", "Corrector illuminated field": "N/A", "F/Ratio with reducer installed": "N/A", "Focal Length with reducer installed": "N/A", "Corrector adapter needed?": "N/A", "Corrector allow for 2\" filters?": "N/A" }, "Mechanical Specifications": { "Focuser Type": "Linear Rail Rack & Pinion", "Focuser Size": "3.4\"", "Focuser: Dual or Single Speed": "Dual speed (11:1 ratio)", "Focuser: Rotatable?": "Yes", "Camera Adjuster": "Yes", "Compression Ring": "Yes", "Drawtube thread size": "M74x1", "Retractable dew shield?": "No", "OTA material": "Aluminum", "Optical Tube length Retracted/Extended (inches)": "22.25\" (fixed)", "Dew Shield diameter (inches)": "5.7\"", "OTA Diameter (mm)": "", "Optical Tube weight (pounds)": "", "Optical Tube weight with included accessories (pounds)": "16 pounds", "Mounting Rings?": "Yes", "Mounting Ring hole thread size(s)": "1/4-20 (top threads)", "Dovetail type": "D-style", "Dovetail length": "6.75\"" }, "Accessories": { "Eyepieces": "No", "Diagonal": "None", "Handle": "Yes", "Mounting Hardware": "Mounting Rings/Dovetail", "Flatter or Corrector": "Optional", "Additonal Accessories": "None", "Collimation eyepiece": "No", "Included finder": "None", "Manual": "No (PDF online)", "Case": "Yes", "Case Dimensions": "27.5\"x16.5\"x10.5\"", "Shipping Weight": "32", "Shipping Dimensions/Weight": "31\"x20\"x15\"" }, "Observational Info": { "Dawes Limit": "1.16", "Rayleigh Limit": "1.4", "Limiting Magnitude": "12.5", "Minimum Magnification": "14x", "Maximum Magnification": "197x", "Magnification with included eyepieces": "N/A", "Light Gather (compared to next size down)": "204% (compared to Esprit 70EDX)", "Intended use": "Visual/Imaging" } } }, "S11445": { "specs": { "SKU": "S11445", "UPC": "810098970723", "Optical Specifications": { "Optical Design (achro or apo)": "Super-Apochromatic", "Lens Coating (fully multi-coated)?": "Fully multi-coated", "Lens design (doublet, triplet or Quad)": "ED Triplet (Air Spaced)", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Yes (Push/Pull Cell)", "Primary Aperture (mm)": "120mm", "F/Ratio": "7", "Focal Length (mm)": "840mm", "Telescope Backfocus": "" }, "Optional Corrector Specifications": { "Field Flattener or Reducer?": "Flattener", "Thread-On or Insertable": "Thread-On", "Corrector Thread size": "M65x1 female/M62x1 male", "Corrector Back Focus": "75mm", "Corrector illuminated field": "43mm", "Corrector adapter needed?": "Yes (Included with telescope)", "Corrector allow for 2\" filters?": "Yes" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "Esprit 120ED 0.77x reducer/flattener", "Optional Corrector/Reducer SKU": "S20209", "Reduction (reducer only)": "0.77x", "Corrector - insertable or thread-on": "Thread on", "Corrector Thread size": "M74x1 female/48mm male", "Corrector Back Focus": "95mm", "Corrector illuminated field": "34mm", "F/Ratio with reducer installed": "5.4", "Focal Length with reducer installed": "648mm", "Corrector adapter needed?": "No", "Corrector allow for 2\" filters?": "Yes" }, "Mechanical Specifications": { "Focuser Type": "Linear Rail Rack & Pinion", "Focuser Size": "3.4\"", "Focuser: Dual or Single Speed": "Dual speed (11:1 ratio)", "Focuser: Rotatable?": "Yes", "Camera Adjuster": "Yes", "Compression Ring": "Yes", "Drawtube thread size": "M74x1", "Retractable dew shield?": "Yes", "OTA material": "Aluminum", "Optical Tube length Retracted/Extended (inches)": "28\"/32\"", "Dew Shield diameter (inches)": "6.875\"", "OTA Diameter (mm)": "154mm", "Optical Tube weight (pounds)": "", "Optical Tube weight with included accessories (pounds)": "24 pounds", "Mounting Rings?": "Yes", "Mounting Ring hole thread size(s)": "1/4-20 (top threads)", "Dovetail type": "D-style", "Dovetail length": "11\"" }, "Accessories": { "Eyepieces": "No", "Diagonal": "None", "Handle": "Yes", "Mounting Hardware": "Mounting Rings/Dovetail", "Flatter or Corrector": "Optional", "Additonal Accessories": "None", "Collimation eyepiece": "No", "Included finder": "None", "Manual": "No (PDF online)", "Case": "Yes", "Case Dimensions": "34\"x15.5\"x13\"", "Shipping Weight": "58", "Shipping Dimensions/Weight": "35.5\"x19\"x17\"" }, "Observational Info": { "Dawes Limit": "0.97", "Rayleigh Limit": "1.16", "Limiting Magnitude": "12.9", "Minimum Magnification": "17x", "Maximum Magnification": "236x", "Magnification with included eyepieces": "N/A", "Light Gather (compared to next size down)": "44% (compared to Esprit 100EDX)", "Intended use": "Visual/Imaging" } } }, "S11455": { "specs": { "SKU": "S11455", "UPC": "8100989707030", "Optical Specifications": { "Optical Design (achro or apo)": "Super-Apochromatic", "Lens Coating (fully multi-coated)?": "Fully multi-coated", "Lens design (doublet, triplet or Quad)": "ED Triplet (Air Spaced)", "Optical Quality": "Diffraction limited (1/4 wave)", "Collimatable Cell": "Yes (Push/Pull Cell)", "Primary Aperture (mm)": "150mm", "F/Ratio": "7", "Focal Length (mm)": "1050mm", "Telescope Backfocus": "" }, "Optional Corrector Specifications": { "Field Flattener or Reducer?": "Flattener", "Thread-On or Insertable": "Thread-On", "Corrector Thread size": "M65x1 female/M62x1 male", "Corrector Back Focus": "96mm", "Corrector illuminated field": "43mm", "Corrector adapter needed?": "Yes (Included with telescope)", "Corrector allow for 2\" filters?": "Yes" }, "Optional Corrector/Reducer Specifications": { "Corrector Name": "Esprit 150ED 0.77x reducer/flattener", "Optional Corrector/Reducer SKU": "S20215", "Reduction (reducer only)": "0.77x", "Corrector - insertable or thread-on": "Thread on", "Corrector Thread size": "M74x1 female/48mm male", "Corrector Back Focus": "90mm", "Corrector illuminated field": "36mm", "F/Ratio with reducer installed": "5.4", "Focal Length with reducer installed": "810mm", "Corrector adapter needed?": "No", "Corrector allow for 2\" filters?": "Yes" }, "Mechanical Specifications": { "Focuser Type": "Linear Rail Rack & Pinion", "Focuser Size": "3.4\"", "Focuser: Dual or Single Speed": "Dual speed (11:1 ratio)", "Focuser: Rotatable?": "Yes", "Camera Adjuster": "Yes", "Compression Ring": "Yes", "Drawtube thread size": "M74x1", "Retractable dew shield?": "Yes", "OTA material": "Aluminum", "Optical Tube length Retracted/Extended (inches)": "36.9\"/40.5\"", "Dew Shield diameter (inches)": "7.89\"", "OTA Diameter (mm)": "", "Optical Tube weight (pounds)": "", "Optical Tube weight with included accessories (pounds)": "34 pounds", "Mounting Rings?": "Yes", "Mounting Ring hole thread size(s)": "1/4-20 (top threads)", "Dovetail type": "D-style", "Dovetail length": "13\"" }, "Accessories": { "Eyepieces": "No", "Diagonal": "None", "Handle": "Yes", "Mounting Hardware": "Mounting Rings/Dovetail", "Flatter or Corrector": "Optional", "Additonal Accessories": "None", "Collimation eyepiece": "No", "Included finder": "None", "Manual": "No (PDF online)", "Case": "Yes", "Case Dimensions": "42\"x17\"x13.5\"", "Shipping Weight": "77", "Shipping Dimensions/Weight": "49\"x21\"x17\"" }, "Observational Info": { "Dawes Limit": "0.77", "Rayleigh Limit": "0.93", "Limiting Magnitude": "13.3", "Minimum Magnification": "21x", "Maximum Magnification": "295x", "Magnification with included eyepieces": "N/A", "Light Gather (compared to next size down)": "71% (compared to Esprit 120EDX)", "Intended use": "Visual/Imaging" } } }, "S30450": { "specs": { "SKU": "S30450", "UPC": "810098970907", "Mount General Specifications": { "Mount type (AZ, EQ or borth)": "Equatorial", "Mount weight insturment capacity": "33 pounds (9.97kg)", "Mount head weight": "26 pounds (11.8kg)", "Tripod Weight": "13 pounds (5.9kg)", "Tripod Retracted/Extended": "33\"/45.5\"", "Tripod Spread Retracted/Extended": "39.5\"/53\"", "Tripod folded measurements": "38.25\" long", "Tripod Leg diameter": "1.75\"", "Tripod Mounting Thread": "N/A", "Counter weight bar": "11.25\" x 20mm", "Mounting Saddle type": "D/V-style", "Counterweight bar?": "Yes (thread on)", "Counterweight bar retractable?": "No", "Type of motor": "Stepper", "Drive type (belt, gear, direct, etc\u2026)": "Belt", "Spring Loaded Worms": "No", "RA gear size": "74mm", "RA gear teeth count": "", "Worm Size": "", "Dec gear size": "", "Dec gear teeth count": "", "Dec gear ratio": "", "Clutch type": "", "Polarscope?": "No", "Polarscope illuminated?": "No", "Tracking Modes": "Sideral, Solar, Lunar", "Latitude range (in degrees)": "5\u00b0-72\u00b0" }, "Electronics Specifications": { "Board(s) used": "", "GoTo": "Yes", "Freedom Find?": "No", "Hand controller port": "Yes (RJ-45, 8-pin)", "Guide Port?": "Yes (RJ-12, 6-pin)", "SNAP Port?": "No", "PC connect USB port?": "Yes (USB-B 2.0)", "Cable management?": "Yes", "Cable management: USBs (how many and type)": "One", "Cable management: USBs hub powered?": "No", "Cable management: Power ports (how many and type)": "2.1mm female, 1.5A minimum (QTY: 2)\nUSB-A\nGuide Port (ST-4)", "Cable management: AUX ports (how many and type)": "None", "Built-in GPS?": "No", "Built-in WiFi?": "Yes", "Built-in Heliofind?": "", "Hand controller?": "Yes", "Hand controller cable used": "Yes", "GoTo Database": "42,000+", "Power requirements?": "DC9 ~ 12.6V", "Internal Battery Pack": "N/A", "Power Duration (with Aas)": "N/A", "Mount power port size and style": "2.1mm female", "Motor controller box external?": "N/A", "Motor cable?": "N/A" }, "Included Accessories": { "Counter Weight": "11 lbs (4.9kg) (QTY: 2)", "EQ base": "Optional", "Dec. Bracket": "Optional", "Ball Head adapter": "Optional", "Polarscope illuminator": "Included", "Polarscope": "No", "Tripod": "Yes", "Pier Extension": "No", "Pier Extension Height": "N/A", "Power Cable?": "Yes", "PC link cable?": "", "SNAP cable?": "No", "Motor Controller box?": "", "Motor Controller holder?": "", "Additional Accessories": "Counter Weight Bar Extension (7.25\")", "Hand controller holder?": "Yes", "Manual": "Yes", "Case": "No", "Case Measurements": "No", "Shipping Weight (Mount Head Box )": "33.7 pounds (15.28kg)", "Shipping Dimensions": "52\"x10.2\"x10.2\"", "Shipping Weight (Tripod Box)": "43.4 pounds (19.68kg)" } } }, "S11560": { "specs": { "SKU": "S11560", "UPC": "810098970891", "Optical Specifications": { "Optical Design": "Maksutov-Cassegrain", "Mirror Coating": "RAQ™ Coatings", "Reflectivity": "0.94", "Mirror Type (Monolithic/Conical/Fused conical)": "Monolithic", "Corrector Coating": "HTMC™", "Glass Type": "Borosilicate", "Primary Edge Thickness": "", "Primary Aperture (mm)": "200mm", "F/Ratio": "10", "Focal Length (mm)": "2000mm", "Secondary Diameter (minor axis)": "74mm", "Secondary Obstruction by Diameter": "0.47", "Secondary Obstruction by Area": "0.22", "Image Circle": "44mm", "Primary cell supports (how many support points)": "Center Baffle", "Collimatable Cell": "Primary" }, "Mechanical Specifications": { "Focuser Type": "Zero-Shift Primary Focus", "Focuser Size": "2\"", "Focuser: Dual or Single Speed": "Single", "Compression Ring": "No", "Drawtube thread size": "", "Spider Vein thickness": "", "Optical Tube length": "25.5\"", "Optical Tube diameter": "9.25\"", "Optical Tube weight": "26.5 pounds", "Shipping Weight": "31 pounds", "Shipping Dimensions": "33\" x 14\" x 16\"" }, "Accessories": { "Eyepieces": "None", "Collimation eyepiece": "No", "Included finder": "No", "Mounting Hardware": "D-style Dovetail", "Additional Accessories": "Built-In 12v Cooling fan, battery pack & camera adapter (M48)", "Manual": "Yes", "Case": "No", "Case Measurements": "N/A", "Case weight with telescope": "N/A" }, "Observational Info": { "Dawes Limit": "0.58", "Rayleigh Limit": "0.7", "Limiting Magnitude": "13.98", "Minimum Magnification": "28x", "Maximum Magnification": "394x", "Magnification with included eyepieces": "N/A", "Light Gather (compared to next size down)": "23% (compared to Skymax 180)", "Intended use": "Visual/Imaging" } } }, "S30125": { "specs": { "SKU": "S30125", "UPC": "810098971058", "Hardware Specifications": { "Power Input": "2.1mm, 5 amp (2x)", "Power Output": "2.1mm (4x) 5 amp each, 10 amp max", "USB Inputs": "USB-A 2.0 (2x)\nUSB-A 3.0 (4x)\nUSB-C (1x)", "Dew Heater Ports": "2x", "Serial Port": "1x (direct connection for Sky-Watcher)", "WiFi": "2.4G/5G", "Internal Storage": "64GB/Unlimited Exteneral memory", "Sensor Port": "For future sensor accessories", "Mounting Options": "M4 and 1/4-20 mounting holes", "Operating Temperature": "14°F to 104°F (-10°C to 40°C)" }, "Software Specifications": { "App Compatibility": "Android/iOS/macOS/Windows", "CPU": "RK3566", "RAM": "4GB LPDDR4", "Storage (ROM)": "64GB eMCC", "Product Support": "Supports many of the most popular imaging hardware brands" }, "Included Accessories": { "Mounting": "Dovetail mounting foot with mounter hardware", "WiFi Antenna": "Yes", "Sky-Watcher Cable": "Yes", "Cables": "0.3 meter Male-to-Male DC Power cable\n0.5 meter Male-to-Male DC Power cable\n1.0 meter Male-to-Male DC Power Cable\n0.5 meter Male-to-Female DC Power Cable" }, "Weights and Dimensions": { "Product Dimensions": "4.44\" x 1.18\" x 6.68\"\n113mm x 30mm x 68.25mm\n(without anntenna installed)", "Product Weight": "9oz", "Shipping Dimensions": "7.5\" x 3.75\" x 2.75\"\n19cm x 9.5cm x 7cm", "Shipping Weight": "1.375 pounds" } } } } ]