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I created a lens testing setup using a version of the old USAF 1951 resolution test chart where I rotated that image 0, 30 and 45 degrees and the camera is placed at arbitrary distances for comparison between various lenses.
It is closer than ideal but still stresses any available camera/lens combination. In this case the tripod was set up for 100mm testing and I was using an approximate '85mm' focal length.

The highlighted area in the central portion of the chart is being observed.

Sony DSLR-a850
1/13s f/8.0 at 90.0mm iso160 full exif

other sizes: small medium large original auto
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