Askar 0.8x Reducer for 120APO

Expand Your Astrophotography Horizons with the Askar 0.8x Reducer for 120APO Optimal Optical Design: The 0.8x reducer features a triplet lens design, specifically optimized for the Askar 120APO telescope, enhancing optical performance. Enhanced Focal Ratio: Reduces the Askar 120APO's focal ratio to F5.6, allowing for a wider field of view and faster exposure times, perfect for capturing expansive celestial phenomena like nebulae and star clusters. Full-Frame Image Circle: Supports a 44mm full-frame image circle, ideal for broad-field astrophotography with comprehensive coverage and exceptional detail. Precision Engineering: The reducer is CNC machined, with both ends having threaded metal caps to prevent contamination and ensure longevity. Standard Back Focus: Maintains a consistent 55mm back focus, facilitating seamless integration with various astrophotography accessories. Weight and Build: Weighing at 0.75kg, it is built to be both sturdy and manageable for various setups. Versatile Connection Options: Comes equipped with three adapter sizes (M681, M540.75, and M48*0.75), enhancing compatibility with different cameras and equipment. Direct Filter Installation: Features a built-in M48*0.75 2-inch filter thread, allowing for straightforward filter attachment without additional adapters. Field Flattening Capabilities: Provides field flattening to produce sharp, clear images across the entire visual field, essential for high-quality astrophotography. Ideal for amateur and professional astronomers, the Askar 0.8x Reducer for 120APO is a premium tool designed to broaden your astrophotography capabilities and enhance your celestial viewing and imaging experiences.   Specifications 0.8x Reducer Parameters （After attaching）120APO Focal length 672mm （After attaching）120APO Focal ratio f/5.6 Lens Number Triplet design Back Focus 55mm（from the base of M48 male thread） Weight 0.75kg Rear-end thread type M68*1 M54×0.75 M54×0.75-M48×0.75 (M48×0.75 filter thread inside) Software and Docs User Manual