Askar PHQ151 APO Refractor (151 mm Quintuplet f/7) – Dark Clear Skies medium format telescope High-Quality Materials: Made from aerospace-grade

High-Quality Materials: Made from aerospace-grade aluminium

Filter Drawer MINI using metal bead screw to lock the drawer

25″ filter

but it is generally better suited to astrophotographers who are ready to learn LRGB or narrowband imaging

The QE peak value of ASI462MM is around 89% (Relative response)

Askar PHQ151 APO Refractor (151 mm Quintuplet f/7) – Dark Clear Skies medium format telescope High-Quality Materials: Made from aerospace-gradeThe Askar PHQ151 is a flagship 151 mm f 7 quintuplet APO astrograph built for serious deep sky imaging. With its native flat field design, this instrument produces razor sharp stars across full frame and large format sensorsno flattener required. Key features Huge aperture: 151 mm of light gathering power. Flat field: Petzval inspired quintuplet design eliminates field curvature. Focal length: 1057 mm at f 7, perfect for galaxies and smaller nebulae.