Flat-Field Astrograph Manuals / Datasheets / Instructions

Askar 80PHQ Quadruplet Flat Field Astrograph User Manual

Discover the Askar 80PHQ Quadruplet Flat Field Astrograph with its powerful 80mm aperture and 600mm focal length. Capture stunning images with its dual-speed focuser and connect your camera effortlessly. Perfect for astronomy enthusiasts and professionals alike.

Askar 80PHQ 80mm f/7.5 Quadruplet Flat-Field Astrograph User Manual

Learn how to assemble and use the Askar 80PHQ 80mm f/7.5 Quadruplet Flat-Field Astrograph with this user manual. Discover its features, including the quadruplet air-spaced APO objective lens and 3 rack-and-pinion focuser. Explore observing and imaging modes, as well as dew shield adjustment. Get detailed instructions for mounting onto a compatible equatorial mount.