Barney Britton Apparently, announcing two new lenses, an entirely new camera, and a refresh of an entire lens lineup wasn't enough for Sigma – the company has reportedly said it's working on an update ...

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 ...