Canon EF 500mm f/4L IS III USM Lens

It has rumored for a long time that Canon will announce two new big white lenses ahead of Photokina 2018 in September. One of the big white lenses is now confirmed, it is the Canon EF 400mm f/2.8L IS III USM Lens.

As rumored before, it is confirmed that Canon will release two new super telephoto prime lenses before Photokina 2018 in September. Now according to CR, these two lenses are version III lenses, which means these could be below lenses: