Thread: The Celestron Reducer backfocus debate
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Old 20-07-2022, 11:08 AM
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bojan
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Peter,

I (with the help from JA and Damien) did quite a lot of investigation on both Celestron and Meade FR, see below especially post #32):
https://www.iceinspace.com.au/forum/...d.php?t=173640
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