A patent showing 4 new optical formulas for EF prime lenses has appeared. Japan Patent Application 2018-005133 shows the following: EF 50mm f/1. 8 EF 85mm f/1. 4 (Not the same as the EF 85mm f. 1. 4L IS) EF 85mm f/1.
8 EF 100mm f/1. 8 The EF 85mm f/1. 8 and EF 100mm f/2 could both use a replacement, the former Read more. . . . canonrumors.com