ASKAR 107PHQ APO QUADRUPLET f/7 EAGLE 4 740 g both

740 g both

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

17 arc seconds Transmission Synchronous belt Latitude adjustment range 10º ~ 70º Azimuth adjustment range ± 6º Polar Scope AccuAlign optical polar scope Level indicator Level bubble Hand Controller Go2Nova 8409 with ~212

15mm M68 spacer is a very useful for making up the exact backfocus distance required by correctors

The DayStar Interference Eliminator is a useful photographic accessory for removing Newton's Rings

ASKAR 107PHQ APO QUADRUPLET f/7 EAGLE 4 740 g bothThe 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