Correctors and Reducers

Optimized for the Askar 103APO Description The Askar 103 APO offers three optional premium accessories: a 1.0x flattener, a 0.8x reduc...

The Askar 0.75x Reducer for the Askar 71F telescope is an essential accessory for astrophotographers looking to enhance their imaging capabilities...

Optimized for the Askar 80PHQ Description The new Askar 3-inch 0.76x full-frame reducer, designed specifically for the 80PHQ, features...

Optimized for the Askar 107PHQ/130PHQ/151PHQ Description Askar’s newly launched 3” 0.7x full-frame reducer is designed for the 107P...

Optimized for the Askar 103 APO Description Specifications The Askar 103 APO offers three optional premium accessories: a 1.0x flattener, a ...

Optimized for the Askar 120 APO Description Specifications The Askar 120 APO offers two optional premium accessories: a 1.0x flattener and a...

Corrects field curvature and coma Overall CNC machined The overall weight is 0.58kg. Description The 1x flatten...

Corrects field curvature and coma Overall CNC machined The overall weight is 0.58kg. Description The 1x flattener does not change the tele...

2.5" focal reducer designed for Askar FRA400 and FRA500 telescopes Reduces focal ratio to f/3.9, optimized for full-frame sensors Desc...

3" focal reducer designed specifically for the Askar FRA600 telescope Reduces focal ratio to f/3.9, optimized for full-frame sensors D...

A common limitation that plagues owners of most popular Schmidt-Cassegrain telescopes is the narrow field size and high magnifications produced by ...

Apochromatic, multi-coated fluorite lens system 10-times higher line resolution than the world best projection eyepieces The FFC fits on every T-2...

3-lens field corrector for BAADER APO 95/560 CaF2 Travel Companion 76.11mm backfocus, 52mm corrected field of view Telescope side M68a thread, cam...

Coma corrector for Newton telescopes, that reduces neither the focal length nor the image field of your telescope Large lenses for completely vign...

The RCC I (Rowe Coma Corrector) is a Coma Corrector from Dave Rowe with Triplet Lense design for f/4 Newtons The RCC works from f/3.5 to f/6 - it ...

Features This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegr...

Features The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1100 one full F-Stop faster than f/10, reducing your exposure time by half to capture ...

Features The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1400 one full F-Stop faster than f/11, reducing your exposure time by half to capture ...

Features The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 800 one full f-stop faster than f/10, doubling the equivalent exposure at f/10 4-eleme...

Features The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 9.25" one full F-Stop faster than f/10, reducing your exposure time by half to capture...

55mm back focus Works with f/5 to f/7 refractors Compatible with APS-C size cameras or smaller. Accepts 2" filters Optimized for refractors with...

55mm back focus Works with f/5 to f/7 refractors Compatible with APS-C size cameras or smaller. Accepts 2" filters Optimized for refractors with...

55mm back focus Works with f/5 to f/7 refractors Compatible with APS-C size cameras or smaller. Accepts 2" filters Optimized for refractors with...

This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7 Causes no change to the telescope focal length 2-inch...