OM System M.Zuiko Digital ED 90 mm f/3.5 Macro IS PRO
6. Distortion
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When it comes to optics designed for mirrorless systems strange things can happen with distortion. Lenses constructors give up on correcting this aberration in least expected moments. Fortunately this lens is not such a case. Distortion, no matter whether you work on corrected JPEG files or neutral RAW files, amounts to practically zero. Our official results are -0.19% and -0.17 % respectively.
The situation changes after attaching the converter. When it comes to JPEG files deformations are corrected perfectly well by the software and we got a result of -0.01%. In RAW files, however, you can notice slight barrel distortion of -0.89%. Of course it is still not a level you should call bothersome.
| Olympus E-M5 II, 90 mm, JPEG | |||
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| Olympus E-M5 II, 90 mm, RAW | |||
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| Olympus E-M5 II, 180 mm (TC), JPEG | |||
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| Olympus E-M5 II, 180 mm (TC), RAW | |||
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