The Takahashi 645 Reducer-CA 0.72X reduces the focal length of the CCA-250 telescope by 0.72X, increasing the speed of the optical system for astrophotography. The reducer prodces a 60 mm diameter image circle that is ideal for larger imaging chips.
The Takahashi 645 Reducer-CA 0.72X reduces the focal length of the CCA-250 telescope by 0.72X, increasing the speed of the optical system for astrophotography. The reducer prodces a 60 mm diameter image circle that is ideal for larger imaging chips.