Canon EF 400mm f2.8L IS II USM review: Canon’s Big Gun…
By Ben Boswell -
Tuesday, April 16, 2013
The Canon EF 400mm f2.8L IS II USM is one of the sharpest Canon lenses scoring 21 P-Mpix when measured on a Canon EOS 5D Mk III. This negligible difference between the sensor Mpix and the perceived sharpness is excellent. All of the measurements are good: the transmission is very slightly slower than stated; there is one tenth of one percent distortion! Too little to see and vignetting at 1.1EV is manageable, easily fixed with DxO Optics Pro. This is a top quality lens.
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1dx 1ds mk2 results
Could you test the canon super tele prime lenses on 1dx and 1ds mk2 bodies plz? the 1ds mk2 VS nikon D4 makes a better sharpness comparison, the 1dx vs D4 (D4s) gives a up to date comparison, both makes sense.
"a wide 400mm lens"
That's an oxymoron.