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/16 ...

Our sharpness tests are carried out by photographing a real-world subject rather than a test chart. The Canon RF 15-35mm f/2.8 L IS USM was attached to a Canon EOS RP, which in turn was mounted on a ...

Canon has announced that, by the end of 2019, it'll add six more lenses to its EOS R and new EOS RP full-frame mirrorless lineup, bringing the total to nine. Coming in the second half of this year, ...

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 you ...