How do you properly compare lens image quality head to head?

Started Jun 10, 2011 | Discussions thread
andy792
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Re: How do you properly compare lens image quality head to head?
In reply to Pultzar, Jun 10, 2011

The best way to compare sharpness would be to measure MTF50 using some program like Imatest or Quick MTF. There is a detailed explanation how to do this on the Imatest site. In fact, it may look complicated, but takes just a few minutes per lens after you do it once.

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Canon EOS 5D Mark II Canon EOS 7D Canon EF 400mm f/5.6L USM Canon EF-S 15-85mm f/3.5-5.6 IS USM Canon EF 100mm f/2.8L Macro IS USM +5 more
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