Canon RF 400mm f/4 DO Lens

Canon EOS R1 & New RF DO Super-Telephoto Lens Coming This Year

According to recent Canon rumors, Canon will announce the development of the EOS R1 flagship camera and a new RF-mount DO super telephoto lens in 2022. As it is known, Canon…

Canon Patent for RF/EF 400mm f/4 DO, 600mm f/4 DO, 800mm f/5.6 DO Lenses

Canon has filed a new lens patent in Japan. The patent application is for 400mm f/4 DO lens, 600mm f/4 DO lens, and 800mm f/5.6 lens. The mounts of the lenses…