Patent of Canon EF-S 11-24mm f/3.5-4.5
It is said that Canon is working on EF-S 11-24mm f/3.5-4.5 lens, a replacement to the EF-S 10-22mm f/3.5-4.5 lens.
It is said that Canon is working on EF-S 11-24mm f/3.5-4.5 lens, a replacement to the EF-S 10-22mm f/3.5-4.5 lens.
According to the website EGAMI, Nikon filed more patents for four telephoto lenses with fluorine coating.