Fujifilm Fujinon XF 60 mm f/2.4 R Macro
5. Chromatic and spherical aberration
Chromatic aberration
Telephoto lenses with parameters similar to the tested Fujinon usually don’t have any problems with the chromatic aberration. Taking it into account and also the fact that there is low-dispersion glass used in the construction we didn’t expect a high level of this aberration. Our expectations were confirmed by photos, which are shown below.
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The longitudinal chromatic aberration is perhaps not exactly zero but certainly it cannot be called high. In real life photos it shouldn’t create any noticeable problems.
In the case of lateral chromatic aberration the situation is even better – it is negligible across all aperture range. Here the producer deserves a round of applause.
Spherical aberration
Spherical aberration is corrected well - so well that it doesn’t cause any noticeable focus shift. Still its correction cannot be called perfect. Its residue makes itself felt in the form of local extremes in the centers of the light circles, generated by defocused light points. It is also noticeable that images you get in front of and behind the focus are, when it comes to that aspect, each other’s negatives.