It may well be that we will more often than not be looking at smaller apertures and extensive depth of field in wide-angle images but with that fast, bright f/2.8 aperture there is also potential ...

Sharpness leaves nothing to be desired. Centrally, it is excellent from f/2 to f/4, outstanding at f/5.6 and f/8, excellent at f/11 and f/16 and still very good at f/22. The edges are very good at ...