Askar 2.5 inch F5.7 Full Frame Reducer for 80PHQ

Expand Your Horizons with the Askar 2.5 inch F5.7 Full Frame Reducer for 80PHQ   Optimized Reduction Capability: Specifically designed for the 80PHQ F/7.5 astrograph, this 3-inch 0.76x full frame reducer drops the focal ratio to an impressive F5.7. Enhanced Focal Length: Reduces the focal length to 456mm, providing a significant increase in field of view, perfect for capturing expansive deep-sky objects. Triplet Design: Features a high-quality triplet lens configuration to maintain image sharpness and color accuracy across the entire field. Shorter Exposure Times: Ideal for deep-sky astrophotography, reducing exposure times and increasing efficiency during imaging sessions. Standard Backfocus: Comes with a standard 55mm backfocus, ensuring compatibility with a wide range of cameras and easy setup. Integrated Filter Thread: Equipped with a built-in M48×0.75 (2-inch) filter thread, making it straightforward to add filters for enhanced imaging control and flexibility. Versatile P