Sigma A 28 mm f/1.4 DG HSM
6. Distortion
|
|
Sigma A 1.4/28 |
Zeiss Otus 1.4/28 |
Nikkor AF-S 1.4/28 |
Nikkor AF-S 1.8/28 |
Voigtlander Skopar 2.8/28 |
Canon EF 1.8/28 |
|
APS-C/DX |
−0.19% |
−0.67% |
−0.69% |
−0.86% |
−0.99% |
−1.19% |
|
FF |
−0.86% |
−1.39% |
−1.12% |
−1.13% |
−1.54% |
−1.85% |
It’s clear the Sigma wins here hands down, being better not only than the older constructions like the Canon EF 1.8/28 but also prevailing over the new, optically complex instruments represented by the Otus and the Nikkor. As a result on the smaller APS-C/DX sensor you won’t notice distortion at all because a value of −0.19% is in accordance with zero within the margin of error. The aberration slightly increases to −0.86% on full frame but even such a result should be called slight. A round of applause for Sigma constructors.
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| Canon 50D, 28 mm | |||
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| Canon 5D MkIII, 28 mm | |||
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