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.
Patent Publication No. 2016-192701 (Google Translated) Published 2016. 11. 10 Filing date 2015. 3. 31 Mount exchange possible Change the Read more. . . . canonrumors.com