Thread: Does the Askar FRA300 have back focus requirements
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Old 06-05-2023, 10:20 PM
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Nikolas (Nik)
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Join Date: May 2012
Location: Melbourne
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it's a petzval design just add spacers and focus till it comes into focus, For my setup I usethe 294mc pro and the spacers that came with it backfocus isnt critical at all
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