It was a matter of time before Canon released the RF version of the popular EF 100-400mm f/4-5.6L II IS USM. This new lens has 100mm more reach, together with a smaller aperture at the longest focal length. I got a chance to review the Canon RF 100-500mm f/4.5-7.1L IS USM to find out how this lens performs.
[ Read More ](Originally posted by Nando Harmsen)