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Old 27-07-2018, 03:54 PM
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jwoody (Jeremy)
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jwoody is offline
Join Date: Aug 2011
Location: Ormeau Hills, Australia
Posts: 304
C mount and CS mount adapters

I have a QSI 583 WSG that I want to get a QHY5Lii guide cam to come to focus. It is attached to the QSI via a C mount adapter but doesn't come to focus (it needs to be closer to the pick of prism)

My question is, Am I correct in thinking that if I use a CS mount instead of the C mount then I will gain about 5mm of allowing me to put the guide cam closer to the pick of prism?
Hope that makes sense
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