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Fujifilm XF Fujinon 50mm f/1.0 R WR Lens Review - Performance

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Fujifilm XF 50mm f/1.0 R WR Performance

Central sharpness is excellent all through the aperture range, rising into the outstanding category between f/2.8 and f/5.6. The edges start off as good, showing the effect of inbuilt spherical aberration, but thereafter are very good throughout the range, rising to excellent at f/5.6. This sharpness extends to point light sources, which reproduce correctly without undue flare.


Fujifilm XF 50mm f/1.0 R WR MTF Charts

How to read our MTF charts

The blue column represents readings from the centre of the picture frame at the various apertures and the green is from the edges.

The scale on the left side is an indication of actual image resolution and sharpness as LW/PH and is described in detail above. The taller the column, the better the lens performance.

For this review, the lens was tested on a Fujifilm X-T4 using Imatest. Want to know more about how we review lenses?

CA (Chromatic Aberration) performance is also very impressive, centrally being close to zero as we stop down slightly. The edges are also kept under one half of a pixel, which is very satisfactory.


Fujifilm XF 50mm f/1.0 R WR Chromatic Aberration Charts

How to read our CA charts

Chromatic aberration (CA) is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software.

Apochromatic lenses have special lens elements (aspheric, extra-low dispersion etc) to minimize the problem, hence they usually cost more.

For this review, the lens was tested on a Fujifilm X-T4 using Imatest.


Pincushion distortion can be measured at just +0.21%, which is very close to being rectilinear. Even with architectural subjects, straight lines at the edge of the image field will remain straight lines. If further correction is required, which is probably unlikely for most photography, then this can be done in software.

Bokeh is delivered as promised and is gorgeous. We have smooth, beautiful gradation in those out of focus areas, giving a perfect backdrop to portraiture.

Flare, as befits a lens that might well be used at night, is well controlled and there is no loss of contrast when light sources are in the frame, even quite strong light sources. If we really try very hard we can induce the occasional artefact, but we do have to try very hard to do so.

Vignetting is really quite minimal, especially for such a fast lens. Normally corner darkening is much more obvious that with this lens, so full marks to Fujifilm for that.

The vignetting results:

Aperture Vignetting
f/1.0 -1.0 stops
f/1.4 -0.8
f/2 -0.6
f/2.8 -0.5
f/4 -0.5
f/5.6 -0.5
f/8 -0.5
f/11 -0.5
f/16 -0.4

Fujifilm XF 50mm f/1.0 R WR Sample Photos


Fujifilm XF 50mm f/1.0 R WR Aperture range

View additional sample photos from our Fujifilm XF 50mm f/1.0 Preview. You can view additional images in the Equipment Database, where you can add your own review, photos and product ratings.

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