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Lens review

Sigma 50 mm f/1.4 EX DG HSM

16 June 2009
Szymon Starczewski

5. Chromatic aberration

The chart below shows that Sigma’s chromatic aberration depends only slightly on the aperture value and can be contained in the range from 0.11% to 0.13%, so its level is medium.

Sigma 50 mm f/1.4 EX DG HSM - Chromatic aberration

It’s a result significantly worse than the result of the Canon, which had values on the 0.08% level and lower. Nikkor also fared better than Sigma, although here the difference is really slight, because Nikkor presents the values from the 0.09-0.11 % range. In the case of the Sony we have a draw and the Pentax lens was worse than the Sigma.

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Sigma 50 mm f/1.4 EX DG HSM - Chromatic aberration