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Forums > Back > Sigma's lousy lens and it's ugly diamond-shaped bokeh (50mm f1.4 ART, Canon full frame)
Brightcolours
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#26
07-07-2014, 08:39 PM
Quote:but wait / popo / then the diamonds shouldn't rotate with the azimuthal position in the field, should they?
That is an entirely separate issue. The mirrorbox cutting off "bokeh highlight disks" can be seen in popo's posted attachments. They have nothing to do with the "diamond" shaped astigmatism like spots in the other photo(s).
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Sigma's lousy lens and it's ugly diamond-shaped bokeh (50mm f1.4 ART, Canon full frame) - by Brightcolours - 07-07-2014, 08:39 PM

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