Focal Reducers and Flatteners

Celestron Reducer Lens .7x - EdgeHD 1100 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 the same brightness...

Celestron Reducer Lens .7x - EdgeHD 1400 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 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 645 REDUCER 0.7X (FSQ-130ED) Reduces the focal length of the FSQ-130ED telescope by 0.7X, increasing the speed of the optical system for astrophotography. Produces a 70 mm diameter image...

Takahashi 645 Reducer QE 0.72x (FSQ-106)

Takahashi 645 REDUCER-CA (.72X) (CCA-250) Reduces the effective focal length of the CCA-250 telescope by 0.72X, increasing the speed of the optical system for astrophotography.   Produces a 60 mm...

Takahashi 67 FLATTENER FOR TOA130F