why is this not sharp ? please help me

Started Jul 4, 2013 | Questions thread
mick232 Contributing Member • Posts: 869
Re: why is this not sharp ? please help me

The Sigma 50 1.4 does not have excellent sharpness wide open (= at F1.4). Add to that maybe some slight misfocus and also that at ISO1600 sharpness won't be as high as at lower ISO, overall I don't think the shot is that bad.

You can always open it in an image editor and apply some slight USM (unsharp mask = sharpening) to make it a little more crisp.

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