Sigma 50 1.4 sharpness wide open

Started Sep 5, 2011 | Discussions thread
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manni
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Sigma 50 1.4 sharpness wide open
Sep 5, 2011

Hi, I'm new to the forum and wondering if anyone can offer me advice on a Sigma lens I'm using (Nikon mount) - 50mm 1.4.

I have read claims by some that their lenses are just as sharp at 1.4 as 2.8. Is this really the case? Given my past experience with old 1.4s I have found the Sigma 50 to be very good at 1.4, a little PP giving nice portraits but it is not as sharp there as at 2 or 2.8. Has anyone else found the same thing? Am I expecting too much or is my lens not performing as it should?

Any help would be appreciated, thank you.

f1.4 (1/1000, manual focus, no filter, no PP)

f2

f2.8

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