It looks like Canon is continuing to research curved sensors, this patent is geared towards light fall off on the sides of the sensor. Patent Publication No. 2016-197663 (Google Translated) Published 2016.
We didn’t think the built in extender on the EF 200-400mm f/4L IS 1. 4x was going to be a one off. Now a patent showing an optical formula for a new EF 400mm f/2. 8L IS with a 2 stage built in extender has appeared.
Canon patents a mount replacement camera system, which is likely related to the soon-to-be-released Cinema EOS C700 and an already available service for the Cinema EOS C300 Mark II. I’m not sure if there’s any reason for this on a DSLR.
Canon has published a patent for focus peaking, a feature some feel has been omitted from Canon DSLRs in live view mode. You can get focus peaking in a Canon DSLRs if you use magic lantern. Patent Publication No.
Canon has patented a variable optical low-pass filter, or (OLPF) which uses the autoexposure sensor to change the low-pass effect up or down. Patent Publication No. 2016-173437 (Google Translated) Published 2016.
We posted a couple of days ago that Canon was well into the development of new “big white” lenses. The first patent for a new optical formula has appeared for an EF 300mm f/2. 8L IS. Patent Publication No.
Northlight has broken down a patent that shows how Canon was able to increase the spread of the AF points in the EOS 5D Mark IV. A Canon patent shows how by replacing the sub mirrors with laminated diffraction gratings, the normal angle of relflection can be altered, adding or subtracting to the usual angle. In Read more...