Reducers and Correctors

0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 80 ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 80 ED ...

0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 120 ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 120 E...

0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 100 ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 100 E...

Delivers stunning wide-field views with pinpoint stars to the edge of the field. Magnification remains unaltered.

Allows Evostar 80 Reducer/Corrector to be mounted to the Evostar 72 ED

The Esprit 120ED Reducer/Flattener is an optical tube accessory to allow Esprit 120 users to reduce imaging time by 68% with a wider field of view ...

34mm fully illuminated field, compatible with both APS-C and full frame sensors 89mm back-focus (55mm when back focus spacer and M48 ring installe...

The Esprit 150ED Reducer/Flattener is an optical tube accessory to allow Esprit 150 users to reduce imaging time by 68% with a wider field of view ...

Corrects for field curvature, allowing the Evoguide 50ED and 50DX to be used for astrophotography Thread on metal caps T-thread connection or 1.25...

Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended 55mm back focus Drops f/ratio from native f/5.8 (4...

The Evostar 72ED Rotator Adapter is an optical tube accessory to allow Evostar users to easily rotate their image train, add filters, and adapt Evo...