Askar 107PHQ 107mm f/7 ED APO Quadruplet Apochromatic Refractor – Dark Clear Skies

Askar 107PHQ 107mm f/7 ED APO Quadruplet Apochromatic Refractor – Dark Clear SkiesASKAR 107PHQ 107mm f 7 ED APO Quadruplet Apochromatic Refractor Telescope Askar 107PHQ, a versatile all rounderThe Askar 107PHQ can literally be applied in any conceivable situations, and thats the top reason why 107PHQ is produced: to slash as much trouble for users as possible. ASKAR 107PHQ ED APO quadruplet telescope features: 107MM f 6. 5 three element full separation optical design Includes two ED lens elements Built in field flattener for full

This feature is especially valuable for deep-sky astrophotographers who often require extended exposure times to capture faint objects

It is often recommended for astrophotographers wanting a simple

So you can set two channels at the same time

3nm centred at 656nm

about 1 micron per step (in half step drive)

The Optolong L-eXtreme Filter is optimized for deep-sky astrophotography

186mm（from the base of M76×1 male thread）

With its long focal length

Up to 95% transmission for maximum light collection

and 30mm is a precision-machined spacing solution designed to help astrophotographers achieve accurate back focus in camera and imaging train setups

640×480 70fps

It allow focus infinity