Fujifilm Fujinon XF 8 mm f/3.5 R WR review - Chromatic and spherical aberration

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Fujifilm Fujinon XF 8 mm f/3.5 R WR

11 October 2023

Maciej Latałło

5. Chromatic and spherical aberration

Chromatic aberration

The tested lens features two elements made of low dispersion glass and it is not especially fast aperture-wise. Both these factors contributed to the fact that the Fujinon corrects longitudinal chromatic aberration very well – we don't have any reservations in this area.

Fujifilm Fujinon XF 8 mm f/3.5 R WR - Chromatic and spherical aberration

Now let's check the correction of the lateral variant of this aberration – below you can find the appropriate graph.

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No reasons to complain at all – aberration level decreases very slowly on stopping down but the whole range of results fits the borderline between low and very low levels. With such a wide angle of view this performance is worth our praise.

Fujifilm X-T2, RAW, f/3.5	Fujifilm X-T2, RAW, f/11.0

Spherical aberration

This lens offers you a great depth of field even at the maximum relative aperture so it wasn't easy to assess spherical aberration. Particularly, we didn't manage to obtain circles of light of sensible size before and behind the focus. The first photos of this chapter, however, don't show any focus shift effect and the resolution of images by f/3.5 is high. It means that the tested Fujinon doesn't experience any serious problems with correcting spherical aberration.