Accessory · 2000–

Celestron f/6.3 Reducer/Corrector for SCT

Celestron · f/6.3 Reducer/Corrector for SCT · field flattener / reducer

Key specifications

Accessory type	Flattener/Reducer
Weight	0.122 kg
Back focus	105 mm
Factor	0.63 ×

All specifications

Interface	2"-24 SCT (both sides)
Compatible with	Celestron SCT (non-EdgeHD)

About

Focal reducer/corrector that threads onto a Schmidt-Cassegrain rear cell and reduces focal length and focal ratio by ~37% (f/10 to f/6.3), widening the field and shortening exposures while flattening the field. Duplicates the SCT thread for accessories.