Focal Reducer/Flattener
Important note: Expected to be available in May 2026
FlatF..
The result is a sharp, wide, flat field, at a fast focal ..
For recessing the Alan Gee Telecompressor Mark II into the..
The RCC works from f/3.5 to f/6 - it is perfect on f/4
Co..
Large lenses for completely vignetting-free exposures up t..
Coma Corrector for Newton telescopes, that neither does re..
10-times higher line resolution than the world's best proj..
Increases field of view by 43% (double by area) to better ..
Celestron’s EdgeHD reducers feature a custom 4-element op..
The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1100 o..
The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1400 o..
Professional Astrophotography without Chromatic Aberration
The reducer HD is designed for the Vixen FL55SS This reduc..
The best focal extender designed for Newtonian telescopes ..
The SD flattener HD kit is designed for a flat focal plane..
High-Performance Flattener and Reducer Kit with connecting..
Upgrading the FL55SS to F5.7 Astrograph of high performanc..
Reduces the focal length by the factor 0,7x (for f/8) and ..
Field Flattener 2''/M48 for ED80 and ED102 APO