Flatteners, Correctors, Reducers & ADC

Sky-Watcher Reducer/Corrector (.85x) for Evostar 120 0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 120 ED APO is designed for serious As...

Sky-Watcher Reducer/Corrector (.85x) for Evostar 100 0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 100 ED APO is designed for serious Astro...

Sky-Watcher 0.77x Reducer/Flattener for EvoStar 150DX 34mm fully illuminated field, compatible with both APS-C and full frame sensors 89mm back-f...

Sky-Watcher 0.77x Reducer/Flattener for Esprit 150 36mm fully illuminated field, compatible with both APS-C and full frame sensors 90mm back-focu...

Sky-Watcher 0.77x Reducer/Flattener for Esprit 120 34mm fully illuminated field but can handle full frame as well 95mm back-focus (55mm when back...

Sky Watcher EvoStar 72ED Reducer-Corrector Adapter Allows your EvoStar 80 Reducer/Corrector to be mounted to your EvoStar 72 ED telescope. In ...

SharpStar 94EDPH 0.8x Focal Reducer The 2.5" 94EDPH f/4.4 full-frame reducer is dedicated for Sharpstar 94EDPH astrograph. At one end of the reduce...

SharpStar 76EDPH 0.8x Focal Reducer The 2.5" 76EDPH f/4.5 full-frame reducer is dedicated for Sharpstar 76EDPH astrograph. At one end of the reduce...

Celestron Reducer Lens .7x - EdgeHD 1400 Celestron’s new EdgeHD 1400 Reducer Lens .7x  feature a custom 5 element optical design engineered to main...

Askar 0.7x Full Frame Reducer for FRA600 The Askar 3 inch F3.9 full frame reducer features 4 elements optical design specifically for the FRA600, o...

APM-Riccardi Universal Flattener Model 2 Our high-quality, universal flattener for apochromats was calculated by the famous optics designer Massimo...

APM-Riccardi Universal Flattener Model 1 Our high-quality, universal flattener for apochromats was calculated by the famous optics designer Massimo...

APM-Riccardi 0.75x M82 Reducer Massimo Riccardi, well-known optical designer from Italy, has calculated a high-quality 3-lens 0.75x reducer / flatt...

APM-Riccardi 0.75x M63 Reducer Massimo Riccardi, well-known optical designer from Italy, has calculated a high-quality 3-lens 0.75x reducer / flatt...