Tamron 24 mm f/2.8 Di III OSD M 1:2
6. Distortion
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When the Tamron 20 mm f/2.8 Di III OSD M 1:2 in this category showed distortion amounting to −8.29% on full frame we knew that this series of prime Tamron lenses leave distortion correction to software of the camera. We also knew the 24 mm model wouldn't be an exception here, one glance at sample shots was more than enough.
The presence of barrel distortion sticks out at once even on the smaller APS-C sensor, where it officially reaches −3.10%. Mind you, it's just the beginning of real problems which you see on full frame because on the bigger sensor distortion result amounts to −5.89%. In our opinion that's definitely too high but it should be noticed that there are no distinct moustache deformations so this kind of distortion, even if high, is easy to correct.
| Sony A7R II, 24 mm, APS-C | |||
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| Sony A7R II, 24 mm, FF | |||
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