LensTip.com

Lens review

Fujifilm Fujinon XF 50 mm f/2 R WR

28 March 2017
Arkadiusz Olech

8. Vignetting

First let’s check the vignetting of the tested lens on JPEG files produced by both bodies we used in our test (the X-E1 and the X-T2).
X-E1, JPEG, f/2.0 X-T2, JPEG, f/2.0
Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting
X-E1, JPEG, f/2.8 X-T2, JPEG, f/2.8
Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting
X-E1, JPEG, f/4.0 X-T2, JPEG, f/4.0
Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting


You don’t have to worry – already at the maximum relative aperture the vignetting is negligible, for the X-E1 amounting to 8% (−0.58 EV), and for the X-T2 being 11% (−0.67 EV) so a bit higher.

The Fujifilm system corrects the vignetting on JPEGs so only an analysis of RAW files can reveal the truth about the performance in this category. Appropriate thumbnails are shown below.

X-E1, RAW, f/2.0 X-T2, RAW, f/2.0
Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting
X-E1, RAW, f/2.8 X-T2, RAW, f/2.8
Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting
X-E1, RAW, f/4.0 X-T2, RAW, f/4.0
Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting


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If you use the X-E1 body then, at the maximum relative aperture, you lose as much as 44% of light (−1.66 EV) in frame corners. On stopping down the aperture to f/2.8 you reduce that problem to 26% (−0.85 EV). By f/5.6 and f/8.0 the vignetting becomes practically imperceptible, amounting to, respectively, 11% (−0.35 EV) and 9% (−0.27 EV).

After attaching the lens to the X-T2 the results don’t change noticeably. Differences reach just 1-2% so are within our margin of error but we are going to list the values anyway for form’s sake. By f/2.0 the brightness loss is 42% (−1.58 EV), by f/2.8 it decreases to  24% (−0.79 EV), and by f/4.0 it is lowered to 15% (−0.48 EV). F/5.6 and f/8.0 apertures provide the respective results: 10% (−0.31 EV) and 8% (−0.24 EV).

Fujifilm X-T2, RAW, f/2.0
Fujifilm Fujinon XF 50 mm f/2 R WR - Vignetting