Askar 151PHQ - 151 mm f/7.7 Quadruplet Air Spaced Astrograph - 151PHQ Image Stabilization Binoculars the prisms inside the binocular

Askar 151PHQ - 151 mm f/7.7 Quadruplet Air Spaced Astrograph - 151PHQ Image Stabilization Binoculars the prisms inside the binocularThe Askar 151PHQ is a long focal ratio, flat field astrograph. Instead of buying an extra flattener that requires calculating the back focus and making a tedious connection to match the distance, astrophotographers can simply attach their camera, achieve focus, and start shooting! The 151PHQ quad refractor has a focal ratio of f 7 and a focal length of 1057mm. The aperture is 151mm one of the largest refractor telescopes Askar makes. The quadruplet

SKU: 72011922601 · From centoria.fr