Askar 0.8x Reducer for 103APO

Enhance Your Views with the Askar 0.8x Reducer for 103APO Premium Optical Design: Features a high-quality triplet design, optimizing the Askar 103APO telescope for enhanced performance across the entire field of view. Increased Aperture Efficiency: Reduces the focal ratio to F5.4, broadening the field of view and speeding up exposure times, ideal for expansive sky areas like nebulae and star clusters. Versatile Full-Frame Support: Supports a 44mm full-frame image circle, perfect for capturing wide-field astrophotography with stunning detail and clarity. Standard Back Focus: Maintains a consistent 55mm back focus, providing ease in adaptability with various astrophotography setups. Weight and Durability: Weighs 0.48kg, constructed with CNC machined elements and metal caps at both ends to prevent ash accumulation, ensuring durability and reliability. Convenient Connection Options: Equipped with M540.75 and M480.75 adapter sizes for straightforward attachment to cameras, along with a built-in M48*0.75 2-inch filter thread for direct filter installation. Field Flattening Capabilities: Offers field flattening to ensure sharp, clear images across the entire field, enhancing the visual quality of astronomical observations and photographs. Perfect for advanced astrophotographers looking to explore the cosmos with greater depth, speed, and clarity, the Askar 0.8x Reducer for 103APO transforms your stargazing experience. Specifications 0.8x Reducer Parameters （After attaching）103APO Focal length 560.32mm （After attaching）103APO Focal ratio f/5.44 Lens Number Triplet design Back Focus 55mm（from the base of M48 male thread） Weight 0.48kg Rear-end thread type M54×0.75 M54×0.75-M48×0.75 (M48×0.75 filter thread inside) Software and Docs