Fujifilm Fujinon XF 23 mm f/1.4 R review - Coma, astigmatism and bokeh

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Fujifilm Fujinon XF 23 mm f/1.4 R

19 March 2014

Arkadiusz Olech

7. Coma, astigmatism and bokeh

The coma correction is not a strong point of the tested lens - that aberration remains clearly visible at the maximum relative aperture and makes itself felt on stopping down to f/2.0 as well. It is obvious that coma correction is not on a list of priorities of the Fuji company optics specialists. Other fast Fujinon lenses didn’t manage to correct it well either.

Fujifilm Fujinon XF 23 mm f/1.4 R - Coma, astigmatism and bokeh

The averaged astigmatism result of three biggest relative apertures reaches a moderate value of 10%. In reality the performance at the maximum relative aperture dominated it as, in that place the image was strongly influenced by the astigmatism approaching 20%.

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The defocused images can be described only in superlatives for a change. The Fujinon can provide blurry images which are very pleasing to the eye and defocused light points turn into nice circles with even light spread.