Samsung NX 20-50 mm f/3.5-5.6 ED review - Vignetting

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Samsung NX 20-50 mm f/3.5-5.6 ED

26 January 2011

Arkadiusz Olech

8. Vignetting

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

The crops below are our test photos thumbnails for three focal lengths and the aperture value near the maximum relative aperture.

Samsung NX 20-50 mm f/3.5-5.6 ED - Vignetting

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As you can notice the vignetting won’t be a problem here. It is practically independent of the aperture value, ranging from –0.3 EV (9.5%) at 20 mm focal length to −0.229 EV (7.6%) at 50 mm focal length.