Sigma 50mm f1.4 @ f1.4 -> WOW

Started Apr 21, 2013 | Discussions thread
Johan Borg
Senior MemberPosts: 1,915
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Re: Sigma 50mm f1.4 @ f1.4 -> WOW
In reply to Hardy Steiner, Apr 21, 2013

Hardy Steiner wrote:

It's amazing how sharp the Sigma 50mm f1.4 is at f1.4 ... once you manage to nail the focus that is ... which for me is not that easy.

I believe the focus shifts a bit with the aperture, so even a calibrated lens can benefit from a bit of manual fine-tuning. The lens is otherwise well described with a WOW, and on my 1.7 crop SD15 even the corners are sharp wide open.

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