Irix 150 mm f/2.8 MACRO 1:1 Dragonfly
6. Distortion
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We didn't expect that a 150 mm macro lens would have any noticeable distortion problems and here the tested Irix didn't let us down. On the smaller sensor of the Canon 50D we got a result of +0.05%. On full frame that aberration increased to +0.13%. Both these values are, within the margin of error, in accordance with zero.
Of course it should be mentioned that the Sigma 150 mm f/2.8 APO EX DG OS HSM Macro had almost exactly the same results in this category (+0.06% and +0.08%).
| Canon 50D, 150 mm | |||
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| Canon 5D MkIII, 150 mm | |||
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