Thread: Back focus problem
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Old 23-04-2008, 05:36 AM
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Kirkus (Kirk)
Beginner-ish

Kirkus is offline 		 
Join Date: Dec 2007
Location: California, USA
Posts: 207
Just so I understand (I love learning about this stuff!)...

If I discovered that my DSLR is about 30mm short of reaching focus, could I use that measurement to know how far up the OT to move the primary?

Would those 2 measurements be equal?
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