According to latest rumors on CR, a new version of current EF 16-35mm f/2.8L II USM lens is in working. The EF 16-35mm f/2.8L II USM lens was released in 2007.
Many event photographers are still looking for a new fast wide-angle zoom lens similar to EF 16-35mm f/2.8L II USM, the new released EF 11-24mm f/4L USM lens is a great lens, but it is heavy, and most people can’t afford this lens due to the expensive price. So the new version of fast wide-angle zoom lens is still required. According to the rumors, the new version lens could change the focal length range (EF 15-35mm f/2.8L ?). And it won’t be announced until EF 35mm f/1.4L II USM lens released.
Read More: Canon Rumors