ASKAR 107PHQ APO QUADRUPLET f/7 EAGLE 4 PL3304809 + PL3304809

PL3304809 + PL3304809

extra-low dispersion glass (ED) that minimizes the chromatic aberration for the best colour correction

The most extraordinary feature of the Stargate is the technology used in the mirrors which are made up of borosilicate glass which has a very low expansion coefficient

Comes with mounting ring with finderscope dovetail base

740 g both

ASKAR 107PHQ APO QUADRUPLET f/7 EAGLE 4 PL3304809 + PL3304809The Askar 107PHQ is a professional apochromatic flatfield Petzval quadruplet with a focal ratio of f 7 and a corrected field of 44mm in diameter. The Askar 107PHQ includes two Extra Low Dispersion glass elements for superb correction of chromatic aberration. Differently from standard ED refractors, the Askar 107PHQ features a Petzval design that does not require to set the sensor to a specific distance to the last lens. That leaves the freedom to use