f-stop conversion factor for mount adapter?

Started Feb 18, 2013 | Questions thread
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Re: f-stop conversion factor for mount adapter?
In reply to edhannon, Feb 18, 2013

Just to add to that most adapters that employ glass to maintain infinity focus are effectively teleconverters, i think most are determined to be 1.2x to 1.3x

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Mike from Canada
"I am not a great photographer! God is a great creator! All I do is capture His creation with the tools He has provided me."
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