0.77x Reducer/Flattener for EvoStar 150DX

Name: 0.77x Reducer/Flattener for EvoStar 150DX
Brand: Sky-Watcher
SKU: S20208
Price: 500.0 USD
Availability: InStock

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SKU S20208

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34mm fully illuminated field, compatible with both APS-C and full frame sensors
89mm back-focus (55mm when back focus spacer and M48 ring installed)
Drops f/ratio from native f/8 (1200mm) to f/6.2 (930mm)
Reduces exposure time by 66% compared to native f/8
2.22 x 1.48-degree field of view when used with a full frame camera
1.45 x 0.97-degree field of view when used with APS-C crop sensor
Only compatible with Evostar 150DX focuser
Includes reducer, metal thread-on caps, back focus spacer and M48 thread adapter
Built-in 2" filter cell for mounting filters into light path