Canon have just unveiled two brand new lenses for EOS R full-frame mirrorless cameras, an ultra-wide-angle prime and a super-telephoto zoom. The RF 16mm f2.8 STM is an ultra-wide angle prime lens that ...

With a price-tag of just £319 / $299, the Canon RF 16mm F2.8 STM is a very cheap and very cheerful ultra-wide-angle prime lens that delivers sharp images in the centre, fast and reliable auto-focusing ...

Central sharpness is outstanding from f/2.8 to f/5.6, excellent from f/8 to f/16 and still very good at f/22. The edges do not fare so well, but are very good from f/2.8 to f/5.6, good from f/8 to ...