Canon is apparently hard at work developing some never-before-seen lenses. A newly published patent shows that the camera company has at least toyed with the idea of a crazy 50-80mm f/1.1 lens.First spotted by Northlight Images, the patent (US20190243111) shows designs for a number of ultra-fast 50-80mm zoom lenses, including a f/1.8, f/1.6, f/1.4, f/1.2, and f/1.1. Canon has offered an f/1.0 lens before in the rare 50mm f/1.0, but offering a fixed f/1.1 aperture on a zoom lens of…