Canon files patents for 50mm f/1.4, 85mm f/1.2, 85mm f/1.8, 100mm f/2, 135mm f/2 and 200mm f/2 lenses
Canon filed patent 2011-253050 in Japan for the following prime lenses:
50mm f/1.4 lens
85mm f/1.2 lens
85mm f/1.8 lens
100mm f/2.0 lens
135mm f/2.0 lens
200mm f/2.0 lens
