PIX 2015

Bokeh comparison between Sigma, Otus and Nikkor 58mm

Started Apr 19, 2014 | Discussions thread
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Dibyendu Majumdar
Regular MemberPosts: 200
Re: OOF blur?
In reply to _sem_, Apr 20, 2014

_sem_ wrote:

Dibyendu Majumdar wrote:


What do you guys think of below? Note that these are taken from lenstip.com and are actually meant to show longitudinal chromatic aberration.

I think that the Nikkor's rendition of background is particularly interesting.

Many comments on the nominal fuzziness, but not so much on the OOF blur. Both 10s on the scale (foreground and background) look less blurred with the 58mm than with the other two.

That is the point; here it is in Nikon's words:

enhance depth reproduction utilizing natural transition of bokeh from a sharply focused point, to a slightly blurred point, then a fully blurred point.

The others have an abrupt transition of blur ... believe due to floating element design in the Otus and Sigma, which increases sharpness on focal plane but causes a more abrupt transition of sharpness beyond the focal plane.

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