Olympus Zuiko Digital ED 14-35 mm f/2.0 SWD
6. Distortion
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In the case of the 4/3 system the distortion is always an interesting issue. A small sensor demands using very short focal lengths and it might always be a potential source of problems with the correction of that aberration. How does the Olympus Zuiko Digital ED 14–35 mm f/2.0 SWD fare here? At the shortest focal length we noticed barrel distortion of –2.52%. This value is noticeable but not especially bothersome. In the middle of the range the distortion decreases to –0.41% and to –0.01% at the maximum focal length. The Olympus shouldn’t be ashamed of such a performance, especially compared to its full frame competitors. In fact the only difference is the sign of the distortion. For the Olympus it is barrel in the whole focal lengths range . For the lenses of 24-70 or 28-70 mm class we deal with barrel distortion at the wide end which becomes quickly zero with the increase of the focal length and is pincushion for the middle and the end of the range.
| Olympus E-3, 14 mm | |||
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| Olympus E-3, 24 mm | |||
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| Olympus E-3, 35 mm | |||
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