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 Photographic Adapters: Includes multi-functional four-piece photographic adapters that easily attach to the end thread of the focuser for diverse imaging needs.
Perfect for amateur astronomers and seasoned astrophotographers alike, the Askar 2.5 inch F5.7 Full Frame Reducer for 80PHQ is designed to expand your astronomical imaging capabilities, providing a wider field of view and faster imaging options for capturing the night sky's most elusive phenomena.
Specifications
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