Another set of Supertelephotos has appeared in a Japanese patent application. Japan Patent Application 2018-018101 EF 300mm f/2.8L EF 400mm f/2.8L EF 500mm f/4.0L EF 600mm f/4.0L EF 800mm f/5.6L We’re expecting new supertelephoto lenses some time in the next 12-18 months.
canonrumors.com2018-2-6 18:55