This Reducer Flattener is designed to take the optical performance of your telescope to a new level. With a reduction factor of X0.8 and an outstanding flattener function, it minimizes distortions and aberrations that can occur during observation and photography.
The 0.8x Flattener corrector from William Optics is optimized for full-frame format and suitable for all apos from 102mm aperture with large extensions.
Connection thread on the telescope side M92x1 - adapters to M68 or M54 are optionally available
The distance is precisely adjustable, so the corrector can be individually
optimized to the refractor for best possible stars
Triplet design with Ohara glass (Japan)
M48x0.75 camera mount with possibility to screw in 2" filter