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Lens review

Samyang 12 mm f/2.0 NCS CS

28 May 2014
Szymon Starczewski

7. Coma, astigmatism and bokeh

We don’t have any serious reservations concerning the coma correction. That aberration is visible but its intensity isn’t high. What’s more, stopping down the aperture to f/2.8 you can reduce it to a really insignificant level.

Samyang 12 mm f/2.0 NCS CS - Coma, astigmatism and bokeh


The astigmatism is corrected in a flawless way for a change. The average difference between horizontal and vertical MTF50 function values amounted to just 3.7%

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A fast aperture means you can try to get blurred areas in photos with the lens wide open. These are nice to look at and the appearance of defocused light points proves it as well. The light spread is even, without any noticeable extremes.

Samyang 12 mm f/2.0 NCS CS - Coma, astigmatism and bokeh