Focal Reducers and Flatteners

Celestron Reducer Lens .7x - EdgeHD 800 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 the same brightness...

Celestron Reducer Lens .7x - EdgeHD 925 The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 925 one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of...

Celestron Reducer/Corrector f/6.3   This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes. This...

Sky-Watcher 0.77x Reducer/Flattener for Esprit 150   36mm fully illuminated field, compatible with both APS-C and full frame sensors 90mm back-focus (55mm when back focus spacer and M48 ring...

Sky-Watcher Field Flattener for EvoGuide 50   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"...

Sky-Watcher ProED 100 Reducer/Corrector (.85x)

Sky-Watcher ProED 120 Reducer/Corrector (.85x)

Sky-Watcher ProED 80 Reducer/Corrector (.85x)

Starizona SCT Corrector III - 0.63X Reducer / Coma Corrector Given small optical enhancements over it's predecessors as well as the standardization of the top thread to M42 for easier customization,...

Takahashi 35 Flattener (TSA/TOA)

Takahashi 76D Reducer (.73X) (FC-76/FC-100)

Takahashi FC/FS Multi Flattener 1.04X

Takahashi Flattener 0.93X (FOA-60)

Takahashi Flattener 1.01X for FSQ-85EDX

Takahashi MEWLON REDUCER FLATTENER Designed specifically for the Mewlon series of telescopes, and reduces the focal ratio by 0.8X.   Made from ED glass and produces an image circle with a diameter of...

Takahashi Reducer-C (.72X) (FS-60CB ) Converts the FS-60C from an f/5.9 to an f/4.2 wide field imaging instrument. A 0.72X reducer.