Canon EF 400mm F5.6L IS USM lens will be coming soon! According to latest rumors from CR2, Canon currently is working on a new super telephoto lens that is slower than f/4.

Several years ago, Canon released the EF 400mm F5.6L USM lens. According to the recent CR, a new IS version replacement will be coming soon. It is Canon EF 400mm F5.6L IS USM lens.