Nikon 50mm f/1.8D AF vs. Sigma 50mm f/1.4 EX DG HSM

Started Mar 4, 2009 | Discussions thread
Dejan Malikovski Senior Member • Posts: 1,611
When in doubt, check! A test right here on DPreview!

The sigma is praised for FF performance, not crop. And the people that say it is sharper on crop...

If you believe, those lenses are Exactly the same on a crop sensor, apart from less than one stop of speed.
Here is the proof:,30&fullscreen=true&av=1,1.667&fl=50,50&vis=VisualiserSharpnessMTF,VisualiserSharpnessMTF&stack=horizontal&lock=&config=/lensreviews/widget/LensReviewConfiguration.xml%3F3

@1.8 nikkor sharper,
@2.8 very close,
@4.0 nikkor better center, ssigma allover
@8.0 sigma better center, nikkor allover
@11.0 equal.

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