Askar 3 inch F3.9 Full Frame Reducer for FRA600

Unlock Wider Vistas with the Askar 3 Inch F3.9 Full Frame Reducer for FRA600 Advanced Optical Engineering: Features a sophisticated 4-element optical design tailored for the FRA600 astrograph, ensuring optimal image quality and performance. Enhanced Focal Reduction: Offers a 0.7X reduction in focal ratio, adjusting the FRA600’s focal length from 600mm to a more versatile 420mm, ideal for a wider field of view in astrophotography. Exposure Efficiency: Effectively shortens the exposure times needed, facilitating quicker imaging sessions and reducing the impact of tracking imperfections. Compatibility and Convenience: Includes a standard 55mm backfocus and a built-in M48x0.75 (2-inch) filter thread, making it easy to attach filters directly to the reducer without additional accessories. Versatile Use: Designed to enhance both visual observations and astrophotographic pursuits, improving field of view and image brightness. Streamlined Astrophotography Setup: Integrates seamlessly w