ASKAR 0.7x FLATTENER AND REDUCER FOR FRA400 & FRA500 BF25-SW The field flattener and reducer

The field flattener and reducer can be screwed directly onto the focuser of the Evostar once the final ring on the focuser tube is removed

Low expansion glass optical set

the more difficult it is for observers to visually see the image

The Geoptik Counterweight for 8" SCT allows you to finely balance your fork-mounted Schmidt-Cassegrain optical tube assembly

Up to 700 kg

ASKAR 0.7x FLATTENER AND REDUCER FOR FRA400 & FRA500 BF25-SW The field flattener and reducerThe field flattener & reducer for the ASKAR FRA 400 & FRA 500 is a dedicated corrector with a reducing power of 0. 7X. It shortens the focal length from 400mm to 280mm and the focal ratio from f 5. 6 to f 3. 9 halving the exposure time. The working distance between the flattener and the sensor is 55mm. The flattener reducer can be connected to the focuser of the Askar FRA 400 & FRA 500 using the M68 x 1 male thread, on the camera side there is the