Tamron 28-75 mm f/2.8 Di III RXD
6. Distortion
Noticeably more problems, observed at both ends of the focal range to boot, you get on full frame. At the widest angle of view barrel defomrations reach −2.53%, and at 35 mm they decrease to a value of −0.56%. After the change of the sign distortion increases very quickly - at 50 mm it reaches already +1.45%, and at 75 mm it rises further to +1.83%.
| Sony A7R II, APS-C, 28 mm | |||
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| Sony A7R II, APS-C, 35 mm | |||
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| Sony A7R II, APS-C, 50 mm | |||
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| Sony A7R II, APS-C, 75 mm | |||
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| Sony A7R II, FF, 28 mm | |||
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| Sony A7R II, FF, 35 mm | |||
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| Sony A7R II, FF, 50 mm | |||
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| Sony A7R II, FF, 75 mm | |||
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