Thread: Downsizing to a 1.25 diagonal on 6" SCT
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Old 23-12-2017, 11:31 AM
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Merlin66 (Ken)
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Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
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Don't believe all you read....
The 1.25" mirror diagonal is almost a standard fitting on SCT's up to 10"
Re Long optical path...rubbish! The SCT to function at it's design f10 needs about 125mm backfocus - plenty room for a diagonal.
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