Thread: f6.3 sc reducer can work well on an ed80 refractor
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Old 04-08-2018, 03:04 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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According to my Reducers V2 spreadsheet, the reducer would need to be 120mm inside prime focus and the chip 80mm behind the reducer to get around x0.63.
(This is based on a reducer focal length of 240mm)
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File Type: zip reducers_V2a_ed80.zip (11.3 KB, 24 views)
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