Samyang 50 mm f/1.4 AS UMC
6. Distortion
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Classic 50 mm devices usually don’t experience huge distortion problems; still it is interesting to see how the tested Samyang compares. The chart below shows us the appropriate data.
| |
Zeiss Otus 1.4/55 |
Samyang 1.4/50 |
Sigma A 1.4/50 |
Canon EF 1.4/50 |
Nikkor AF-S 1.4/58G |
| APS-C/DX |
−0.19% |
−0.87% |
−0.01% |
−0.49% |
−0.52% |
| FF |
−0.69% |
−2.11% |
–0.12% |
–1.98% |
−1.41% |
Unfortunately the lens compares unfavourably with similar devices, being not only noticeably worse that the newest 50 mm instruments but also the older models such as e.g. the Canon 1.4/50.
Apart from that the absolute distortion value higher than 2% is simply unbecoming of a classic 50 mm lens.
| Canon 50D, 50 mm | |||
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| Canon 5D Mk III, 50 mm | |||
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