Sony E 18-55 mm f/3.5-5.6 OSS
8. Vignetting
As you can notice, the vignetting can be especially bothersome at 18 mm. The measurements indicate the brightness loss on the edge of the frame amounting to 36% (-0.89 EV), no matter whether the aperture is stopped down or not. It is very similar to the performance of the Olympus kit lens, which have been referred to several times earlier in this test.
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In the middle of the focal lengths range the vignetting is a bit over 19% (-0.59 EV) and, as you see in the crops above, such a value is also visible to the naked eye. Only at 55 mm focal length we can forget about vignetting, which reaches just 8.3% (-0.25 EV) and on stopping down to f/8.0 decreases to less than 5% (-0.15 EV).
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