This leaves the Canon lens at the upper end of the price range. For more lens options, have a look at our lens top lists which feature optics we've reviewed and compiled into easy-to-read lists so ...

At 15mm, central sharpness is outstanding at f/2.8 and f/4, excellent from f/5.6 to f/16 and very good at f/22. The edges are very good at f/2.8, excellent from f/4 to f8, very good at f/11 and f ...