Samsung NX 18-55 mm f/3.5-5.6 OIS review - Vignetting

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Samsung NX 18-55 mm f/3.5-5.6 OIS

31 December 2010

Arkadiusz Olech

8. Vignetting

As it was done in the test of the Samsung NX 30 mm f/2.0 we must emphasize also here the fact that our measurements were based on RAW files. The Samsung NX10, used in the test, shows substantial differences between RAW and JPEG files – the latter are cropped and show a bit lower brightness loss in the frame corners.

The crops below show test photos’ thumbnails for three focal lengths and aperture values near minimum.

Samsung NX 18-55 mm f/3.5-5.6 OIS - Vignetting

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Vignetting is visible to the naked eye but it is also far from bothersome. Its highest level, amounting to 16% (-0.51 EV), can be seen at the widest angle and practically is independent of the value of the aperture used. With the increase of the focal length the vignetting decreases to 11% (−0.33 EV) at 35 mm and 8% (−0.25 EV) at 55 mm. Further stopping down makes the level of vignetting decrease for these focal lengths to 9% and 6% respectively by f/16.0 aperture.