Askar 0.76X Full Frame Focal Reducer for PHQ 80 - 80PHQ80-RED Sony E Adapter 45Å (telescope internal etalon)

45Å (telescope internal etalon)

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Askar 0.76X Full Frame Focal Reducer for PHQ 80 - 80PHQ80-RED Sony E Adapter 45Å (telescope internal etalon)The Askar 0. 76x APO Triplet Full Frame Reducer is designed specifically for the 80PHQ Refractor by Askar. This reducer provides a 0. 76x reduction in the effective focal length, for a focal ratio of 5. 7 and a focal length of 456 mm. Lowering the effective focal length in this fashion shortens the exposure time and dramatically increases your field of view! The reducer is threaded to accept Askar multi functional four piece photographic adapters. The