ASKAR 1x FLATTENER FOR 120APO S58 this filter is needed to

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

This can be useful for IDAS photography

Optical design Super apochromatic triplet with ED glass

For a larger projection scale additional T-2 extension tubes (M42 x 0

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

ASKAR 1x FLATTENER FOR 120APO S58 this filter is needed toThe 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