Ahead of our full review, here are 51 sample images taken with the Canon EF 100-400mm f/4.5-5.6L IS II USM lens, mounted on a Canon EOS 5D Mark III. The Canon EF 100-400mm f/4.5-5.6L IS II USM is a brand new professional telephoto zoom lens for full-frame Canon DSLR cameras. Read the preview ยป