LensTip.com

Lens review

Samyang 10 mm f/2.8 ED AS NCS CS

16 June 2014
Arkadiusz Olech

7. Coma, astigmatism and bokeh

We don’t have any reservations concerning the coma correction. The situation is perhaps not perfect because the image of a diode in a frame corner is slightly distorted but, fortunately, that effect is not huge, not deserving any serious criticism.

Samyang 10 mm f/2.8 ED AS NCS CS - Coma, astigmatism and bokeh


An average difference between horizontal and vertical MTF50 function values amounted to 8% so the astigmatism in the tested lens can be called moderate.


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Defocused light circles don’t look very interesting, though - you can notice distinct local extremes and deformations. Still you should remember that it is not a kind of lens you’d use to generate soft blur and paper-thin depth of field.

Samyang 10 mm f/2.8 ED AS NCS CS - Coma, astigmatism and bokeh