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Lens review

Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS

24 May 2016
Arkadiusz Olech

5. Chromatic and spherical aberration

Chromatic aberration

The Fujinon 100–400 mm correct the longitudinal chromatic aberration really well – the photos below prove that its influence on images outside the focus is negligible. Similar results we got at the shorter focal lengths.

Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS - Chromatic and spherical aberration


Now let’s check the lateral chromatic aberration – the graph below presents its performance depending on the aperture value and the focal length employed.


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Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS - Chromatic and spherical aberration


Here the lens deserves our praise too. In the range of apertures from f/4.5 to f/8.0 which are used the most often, the aberration is very low. At longer focal length that aberration increases pretty quickly but fortunately even in the worst case it only approaches the medium level. A round of applause!

X-E1, RAW, 200 mm, f/5.6 X-E1, RAW, 300 mm, f/22.0
Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS - Chromatic and spherical aberration Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS - Chromatic and spherical aberration



Spherical aberration

The tested lens didn’t have any „focus shift” effect so the level of its spherical aberration cannot be very high. There is also no trace of its visible influence in circles we got by defocusing point-like sources of light. The circles in front of and behind the focus are very similar to each other no matter what focal length you employ. As you see there are no reasons to claim that the Fujinon is bad at correcting the spherical aberration.

X-E1, 200 mm, f/5.0, in front of X-E1, 200 mm, f/5.0, behind
Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS - Chromatic and spherical aberration Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS - Chromatic and spherical aberration
X-E1, 400 mm, f/5.6, in front of X-E1, 400 mm, f/5.6, behind
Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS - Chromatic and spherical aberration Fujifilm Fujinon XF 100-400 mm f/4.5-5.6 R LM OIS - Chromatic and spherical aberration