Askar 71F

Explore the Universe with the Askar 71F Quadruplet Flat-Field Astrograph   Optimal Optical Design: Features a quadruplet air-spaced APO lens with one piece of ED glass, effectively reducing chromatic aberration and supporting 44mm full-frame imaging. Self-Flattened Convenience: The Askar 71F eliminates the need for additional flatteners or complex back focus calculations, simplifying the setup for astrophotography. Lightweight and Portable: Weighing only 2.5kg (OTA) and 3kg with tube rings and dovetail plate, it's designed for easy transport and setup, perfect for adventurers. Dual Usage: Equipped for both visual observations and astrophotography, enhancing its utility for all users. Visual Observation Accessories Included: Comes with an 8mm eyepiece (60x magnification), a 20mm eyepiece (25x magnification), and a 1.25-inch 45° erecting prism for correct image orientation. Enhanced Connectivity: Includes a photographic extension tube with M480.75 and M540.75 adapters, plus a b