Fujifilm Fujinon XF 33 mm f/1.4 R LM WR
5. Chromatic and spherical aberration
Chromatic aberration
The optical construction of the Fujinon 1.4/33 features as many as three elements made of low dispersion glass and images, shown below, prove these elements perform as they should. It would be difficult to notice any colouring in out-of-focus images even at the maximum relative aperture. It indicates that the lens corrects longitudinal chromatic aberration properly well.![]() |
Lateral chromatic aberration can be described in similar terms. Let's glance at a graph below.

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The aberration increases with stopping down the aperture but its values are within a range we describe as very low. It seems you won't have any problems whatsoever with this variant of chromatic aberration.
Fujifilm X-T2, RAW, f/1.4 | Fujifilm X-T2, RAW, f/11.0 |
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Spherical aberration
In first photos of this chapter you can notice a very slight focus shift towards greater distances on stopping down the aperture by 1 EV. The effect is not very conspicuous but it might indicate that spherical aberration isn't corrected perfectly well.It is also confirmed by the appearance of defocused circles of light we got before and behind the focal point – even if differences between them aren't that big they aren't identical either.
Fujifilm X-T2, f/1.4, before | Fujifilm X-T2, f/1.4, after |
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