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Canon EF 70-200 mm f/4L USM

22 September 2007
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Arkadiusz Olech

5. Chromatic aberration

When looking at the chromatic aberration chart, we immediately notice two things. Firstly, we see the low dispersion elements’ effectiveness, which keep the chromatic aberration limited. At 135-200 mm focal length the aberration is absent at 0.04%. Secondly, we noticed that at 70 mm the situation is a bit weaker and the weaker resolution at this focal length can be blamed on chromatic aberration.

Canon EF 70-200 mm f/4L USM - Chromatic aberration


Below you can see the edges of the testing board clippings at peripheral focal lengths for the tested lens.


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Canon EF 70-200 mm f/4L USM - Chromatic aberration



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