It wouldn't be the first time Sigma had made such an update to one of its lenses: last year, it released the 24-70mm F2.8 DG DN II Art, which was 10% lighter than its predecessor.At 1090g (2.40lb ...

If it is sharpness we seek, then this is our lens. Centrally, sharpness is excellent from f/1.4 right through to f/11, and still very good at f/16. The edges are exactly the same, excellent from f ...