Thanks Brian. Wise words indeed. If I can raise a couple of further points, having looked at the detailed EXIF data for the focus tests? They're shot at f/8, when the advice of the designer of the focus test is to shoot wide open. Why? They're not shot with the chart completely filling the frame, also against the advice of the designer. Why? They're shot with a range of shutter speeds down from 1/100 to 1/25 which suggests very variable lighting (2 stops). Also 1/25???? What about the effects of mirror slap? I don't go to these sorts of shutter speeds without using MUP and a cable release.A few microns of movement and you're starting to blur pixels.... I'm not wishing to be argumentative or confrontational, but how can the results be considered valid when the experimental method is fundamentally flawed?
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