TAKAHASHI 645 SUPER REDUCER FOR CCA-250 GSO-IP Reducing power 0

Reducing power 0

SKU BA2454405 Downloads

Remote observers can upgrade their RiFAST with optional primary mirror shutters to avoid moisture and dust deposit on the telescope’s mirror when not in use

PlaneWave L350 in Alt-Az

Depth of M48 thread 4 mm (male thread)

TAKAHASHI 645 SUPER REDUCER FOR CCA-250 GSO-IP Reducing power 0The Takahashi 645 Super Reducer is a 0. 72x focal reducer for the CCA 250 corrected Cassegrain astrograph. The 645RD reducer has a large image circle of 60mm, making it suitable for use with medium format sensors. The 0. 72x reduction factor reduces the focal length to 890mm and focal ratio to f 3. 6, transforming the CCA 250 into a high performance super astrograph. The 645RD Reducer consists of four large diameter lenses in four groups, giving