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Mike Ganz
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Alt Lenses and DOF


Did a simple test in the backyard with my Zeiss 28/2.8 and Canon 28-70L (both set to f/8), and noticed that the DOF varied between the lenses. The Zeiss looked sharper to me, but the Canon had noticeably deeper DOF (see fence finials and white corner post in the shots below). Is the DOF variance a result of the lens adapter (I suspect that it is)? If so, how does shooting at the hyperfocal distance come into play with an alt lens...lots of trial and error?

Original image:






Zeiss 28/2.8 at f/8, 100% crop:






Canon 28-70L/2.8 at 28mm f/8, 100% crop:








Dec 07, 2008 at 01:43 PM





  Previous versions of Mike Ganz's message #6460509 « Alt Lenses and DOF »