ASKAR 1x FLATTENER FOR 120APO S58 Optical design Super apochromatic triplet

Optical design Super apochromatic triplet with ED glass

75 male Connection side B M56 x 0

this filter is needed to cut off unwanted wavelengths in colour cameras which are sensitive to these radiations

5 5mm M48 extension + M48 spacer 1mm + M48 spacer 0

ASKAR 1x FLATTENER FOR 120APO S58 Optical design Super apochromatic tripletThe 1x field flattener for the ASKAR 120APO is a dedicated corrector which transforms the telescope into a premium astrophotography instrument with a 44mm image circle. The working distance between the flattener and the sensor is 55mm. The flattener can be connected to the focuser of the Askar 120APO using an M84 x 1 male thread. On the camera side there is both M54 x 0. 75 and M48 x 0. 75 male threads. The flattener has an internal M48 x 0. 75 thread