LensTip.com

Lens review

Samyang 50 mm f/1.4 AS UMC

3 December 2014
Arkadiusz Olech

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
Samyang 50 mm f/1.4 AS UMC - Distortion
Canon 5D Mk III, 50 mm
Samyang 50 mm f/1.4 AS UMC - Distortion