Canon 100 400mm f5.6 › Optical Performance
42 positive · 17 mixed · 35 critical mentions across 94 sources.
The Lens down to f8 and further down to f11 on the whole this lens has well a slightly boring resolution characteristic on a full-frame camera it's basically always reasonably sharp it doesn't seem to get razor sharp at any Point even when you stop down its aperture it's simply pretty good and it's…
this is the equivalent of 640 mm on a full frame by the way if we zoom in a little bit we can fill the frame and see all those little craters.
fantastic but what about image quality I'll be testing this lens on a Canon EOS R5 with its full frame 45 map sensor with in camera Corrections turned on at 100 mm and at 5.6 sharpness and contrast are very good in the middle of the image but not quite perfect the corners look noticeably soft but…
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