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Forum: Pentax Lens Articles
10-15-2012, 10:15 AM
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Vignetting is all I could see easily thru my ME finder. I have no doubt that other parameters suffer as well - but thanks for driving home the point. Software can recover dim edges but it cannot cure everything!
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Forum: Pentax Lens Articles
10-12-2012, 05:10 PM
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Just looking through my film SLR with the DA40 shows some clear vignetting. It's at f/2.8 when I do that, so it must get good enough for a + rating when stopped down - but I can see where it might not be ideal for the full range of aperture settings. My Sigma 50 macro definitely has no issues at f/2.8 (and it shouldn't).
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