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Old 09-12-2015, 10:36 AM
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Merlin66 (Ken)
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Merlin66 is offline
 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,908
Using an SCT diagonal rather than the standard 2" version will reduce the backfocus.....
I use the old Meade SCT flip mirrors rather than diagonals - gives me more options.
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