Askar 0.7x Full-Frame 3" Reducer for 107PHQ and 130PHQ TelescopesAskar’s new-launched 3” 0.7x full-frame reducer adapts for 107PHQ & 130PHQ. It has a triplet design with one ED glass.
The 0.7x reduction gives 107PHQ a shortened focal ratio of 4.9 and a shortened focal length of 524mm.
![]() The backfocus is the standard 55mm. It comes with three thread adapters of M68, M54, M48 , so it is convenient for connection. Connecting the Askar 0.7x Full-Frame 3" Reducer to the 107PHQ and 130PHQ Telescopes![]() ![]() ![]() ![]() Schematics![]() ![]() ![]() ![]() ![]()
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