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Re: [Largeformat] Optimal aperture




Let me add to Doug's comment the addition that "careful" testing means just 
that and under anything less than laboratory controlled conditions you could 
possibly introduce unknown variables into your process that would negate the 
tests.  If you go to the LF home page you will find lens tests there of a 
large number of LF lenses.  If memory serves there is not a single lens in 
the test that does NOT produce optimal performance between f16 - f22.  There 
are a few where f11 is almost as good and the same for a few at f 32/.