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Old 04-08-2018, 02:28 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
Yeah,
I recently tried a similar arrangement - x0.63 on the ED80 (thinking about spectroscopy) certainly appeared to work OK but I thought the reduction was more like x0.75 than x0.63.
(Interestingly, Measuring your images I get about x0.75 reduction!!)
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