Thread: How far should a camera be mounnted behind a CPC925?
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Old 10-04-2021, 05:44 PM
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Merlin66 (Ken)
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Carlton,
The Celestron paper refers to the EDge design not the CPC design.
The standard backfocus would be 125mm from the rear cell.
If a x0.63 reducer is used the backfocus is 110mm
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