canonpatent

Canon Patents Monstrous 1000mm f/5.6 IS DO Lens

Canon's got a fever, and the only prescription is more focal length. A new patent from the Japanese camera giant has surfaced that shows the formula for a monster of an EF lens: a 1000mm f/5.6 IS DO.

Canon Patent Hints at the Future of Optical Stabilization

Optical stabilization has slowly but surely continued to improve in recent years, but a new patent from Canon hints at a major change in the tech that may arrive in future lenses: instead of one image stabilized lens group, the patent describes a lens that uses two.

Canon Patents a Body Cap that Cleans the Contacts on Your Lens Mount

Here's a cool patent that gives new purpose to a camera accessory you don't hear talked about much: the body cap. Chances are you don't give your camera's body cap much thought, but the body cap Canon just patented would serve a dual purpose by not just keeping your sensor protected, but also cleaning the contacts on your lens mount in the process.