LensTip.com

Lens review

Fujifilm Fujinon XF 14 mm f/2.8 R

17 October 2013
Arkadiusz Olech

8. Vignetting

The Fujifilm X system cameras correct automatically the vignetting of JPEG files; that’s why we always check the level of this aberration in JPEG and RAW files at the same time. In the case of the Fujinon 2.8/14 the level of that aberration can be assessed by looking at the thumbnails below.

JPEG RAW
f/2.8 f/2.8
Fujifilm Fujinon XF 14 mm f/2.8 R - Vignetting Fujifilm Fujinon XF 14 mm f/2.8 R - Vignetting
f/4.0 f/4.0
Fujifilm Fujinon XF 14 mm f/2.8 R - Vignetting Fujifilm Fujinon XF 14 mm f/2.8 R - Vignetting
f/5.6 f/5.6
Fujifilm Fujinon XF 14 mm f/2.8 R - Vignetting Fujifilm Fujinon XF 14 mm f/2.8 R - Vignetting


The users of the JPEG format won’t have any serious reasons to complain – the vignetting here is medium at most. At the maximum relative aperture it reaches 24% (-0.78 EV) and it decreases slightly to 22% (-0.71 EV) on stopping down to f/4.0. A quite significant drop of vignetting can be observed when you pass from f/4.0 to f/5.6 where that aberration is just 16% (-0.52 EV) After further stopping down you don’t see any measurable change of the vignetting level – in the range from f/8 to f/16 we got values reaching near 15% (-0.47 EV).


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A much more serious situation can be observed in the case of RAW files. At the maximum relative aperture, in the frame corners, you lose as much as 51% of light (-2.09 EV). There are huge problems by f/4.0 as well, where the vignetting reaches 41% (-1.52 EV). By f/5.6 that aberration remains still visible, getting to 35% (-1.27 EV). Further stopping down doesn’t have any measurable influence on the vignetting because that aberration value stops at 34% (-0.19 EV).

Fujifilm Fujinon XF 14 mm f/2.8 R - Vignetting