Askar 1X Flattener for 103 APO Refractor - 1XFLAT-103 RASA They are made so as

They are made so as to be compatible with M42 x 0

Effective Aperture f/13

Screen Size: 1/4"

A series of 16 threaded rings provides compatibility with just about every digital (CCD/DSLR) and videocamera made

Includes an Antares Universal Dovetail Shoe

Askar 1X Flattener for 103 APO Refractor - 1XFLAT-103 RASA They are made so asThe Askar 1x flattener keeps the native focal ratio of the Askar 103 APO at f 6. 8 while correcting field curvature and coma. The result is pinpoint stars out to the edges of the field of view, which is wonderful for imaging. The Askar 1. 0x Flattener has a triplet design and supports a 44mm full frame image circle. The back focus from the M48 thread is a standard 55mm. The front thread of the flattener is M84*1. At the camera end, the 1X Flattener is