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Lens review

Fujifilm Fujinon XC 16-50 mm f/3.5-5.6 OIS

14 July 2014
Arkadiusz Olech

7. Coma, astigmatism and bokeh

The coma is not a serious problem of the Fujinon 16–50 mm. It is perhaps not corrected in a perfect way because the image of the diode, positioned in the frame corner, is not point-like but the deformations are not huge, especially at shorter focal lengths.

Fujifilm Fujinon XC 16-50 mm f/3.5-5.6 OIS - Coma, astigmatism and bokeh


The astigmatism, understood as an average difference between horizontal and vertical MTF50 function values, amounted to 3.9% which we consider to be slight.


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Defocused light point circles look averagely well. You can notice some concentric rings and a very distinct rim. The fact that, on stopping down the aperture by 1 EV, the image in the frame corner is similar to that in the centre should be considered as a consolation.

Fujifilm Fujinon XC 16-50 mm f/3.5-5.6 OIS - Coma, astigmatism and bokeh