Olympus M.Zuiko Digital 17 mm f/2.8 review - Vignetting

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Olympus M.Zuiko Digital 17 mm f/2.8

9 July 2009

Arkadiusz Olech

8. Vignetting

On one hand, we’re dealing with a small 4/3 system sensor, which usually helps lenses get a good result in the category of vignetting. On the other, lenses of M. Zuiko 17 mm f/2.8 are really small. How will the light falloff look in the corners of the frame? At the maximum aperture it can be seen without a trouble, as it reaches 31% (-1.07 EV). In some cases it will even be noticeable at f/4.0, as it still reaches 19%. At f/5.6 the problems stops bothering us, as it reaches 14%, and at f/8.0 it vanishes almost entirely.

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Taking into account the size of the sensor, with which the tested lens worked, the results presented here are quite mediocre. Miniaturization does have its price.