Askar 80PHQ 80mm f/7.5 ED APO Quadruplet – Dark Clear Skies ED Glass ▲The horizontal axis is the

▲The horizontal axis is the Wavelength in Nanometers (nm)

and nature observation

together with sturdy double tube ring

Emergency call

Dynamic range describes how well a camera can record both extremely bright and extremely faint detail within the same exposure

Askar 80PHQ 80mm f/7.5 ED APO Quadruplet – Dark Clear Skies ED Glass ▲The horizontal axis is theThe Askar 80PHQ 80mm f 7. 5 ED APO Quadruplet Astrograph is a precision refractor telescope designed for high resolution astrophotography. As the second long focal ratio model in the PHQ series, it combines advanced optical correction with a compact and mechanically robust design, making it an excellent choice for both experienced imagers and astrophotographers building a portable deep sky imaging system. Precision Optical Design The 80PHQ uses a