ASKAR 0.75x REDUCER FOR 71F ASTROMY-IP Sensor CMOS Sony IMX250 monochrome
USD169.50
USD198.50
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ASKAR 0.75x REDUCER FOR 71F ASTROMY-IP Sensor CMOS Sony IMX250 monochromeThe Askar 0. 75x Flattener Reducer for the 71F is a triplet corrector compatible with up to full frame sensors. The 0. 75x reduction factor shortens the focal ratio of the 71F to f 5. 2, shortening the exposure time and increasing the field of view. When paired with this flattener reducer, the focal length of the 71F becomes 369mm, transforming it into an extremely capable widefield astrograph. The flattener reducer has a backfocus requirement of
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