Mitakon Creator 35 mm f/2 review - Coma, astigmatism and bokeh

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Mitakon Creator 35 mm f/2

6 March 2015

Arkadiusz Olech

7. Coma, astigmatism and bokeh

The coma makes itself felt a bit already in the corners of the APS-C sensor; in the corners of full frame that aberration level is huge and contributes greatly to the worsening of image resolution on the edge of the bigger sensor. As a kind of consolation you might add that the more expensive rivals produced by Canon and Nikon didn’t fare better in this category. In their cases the coma level in the corners of full frame was also high and didn’t disappear on stopping down by 1 EV. As you see even though the result of the Mitakon is bad, it doesn’t differ greatly from the results of its more expensive rivals.

Center, f/2.0	Corner APS-C, f/2.0	Corner FF, f/2.0

Center, f/2.8	Corner APS-C, f/2.8	Corner FF, f/2.8

The astigmatism, understood as an average difference between horizontal and vertical MTF50 values, amounted to 8.4%. It is a medium level, noticeably lower than the result of the Nikkor 1.8/35G. The Canon 2/35 IS was the best in this category, with the astigmatism reaching just 3%.

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We don’t have any reservations concerning defocused images. The light in the circles is evenly spread, without any local extreme points. On stopping down you can notice a slight rim but it is nothing to worry about. Of course, with such physical dimensions of the lens, you should be prepared for the presence of the mechanical vignetting in a form of truncated rings in the corners of full frame. That effect disappears only after stopping down by 2 EV.

Center, f/2.0	Corner APS-C, f/2.0	Corner FF, f/2.0

Center, f/2.8	Corner APS-C, f/2.8	Corner FF, f/2.8

Center, f/4.0	Corner APS-C, f/4.0	Corner FF, f/4.0