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Forums > Back > Sigma 12-24mm f/4 Art, 85mm f/1.4 Art, 500mm f/4 Sports announced
JJ_SO
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#14
10-05-2016, 01:21 PM
Some samples are great, others... at f/8 the corners should not be so weak? I just think, focusing with ultra-wides can be sometimes also ultra difficult. Depending on field curvature?

 

https://www.dpreview.com/news/8105269723...le-gallery
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Sigma 12-24mm f/4 Art, 85mm f/1.4 Art, 500mm f/4 Sports announced - by JJ_SO - 10-05-2016, 01:21 PM

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