Fujifilm Fujinon XF 16 mm f/1.4 R WR review - Coma, astigmatism and bokeh

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Fujifilm Fujinon XF 16 mm f/1.4 R WR

12 August 2015

Arkadiusz Olech

7. Coma, astigmatism and bokeh

Unfortunately the Fujinon XF 16 mm f/1.4 R WR corrects the coma in a very poor way. At the maximum relative aperture it is really high and even on stopping down to f/2.0 it makes itself felt. Only by employing the f/2.8 relative aperture you can reduce it to low levels.

X-E1, f/1.4, center	X-E1, f/1.4, corner

X-E1, f/2.0, center	X-E1, f/2.0, corner

The astigmatism, understood as an average difference between horizontal and vertical MTF50 function values, amounted to 3.0%. It is a very low level so the performance in this category should be assessed very positively.

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On the other hand defocused light circles don’t look so good. You can notice a lighter rim on the edge (even with the lens wide open) and noticeable onion ring pattern of bokeh. The blurry areas might be considered by some users as not exactly pleasant to the eye.