Do you remember the Canon EF 11-24mm f/4L USM that was released in 2015? It was a one-of-a-kind lens and a large and heavy one. Canon released an RF version, and it is not only smaller and lighter, it offers an even wider field of view. This is the review of that lens; the RF 10-20mm f/4L IS STM.
[ Read More ](Originally posted by Nando Harmsen)