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Focal reducer back focus vs camera BF
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09-09-2014, 01:18 PM
Camelopardalis
(Dunk)
Drifting from the pole
Join Date: Feb 2013
Location: Brisbane
Posts: 5,429
Is it safe to assume that when the manufacturer specifies a given distance from, say, the outer piece of glass that the thread that the T-adapter screws onto fully meets that spacing requirement?
Sorry for the mini-hijack Barry
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