Imaging recource: Unusual Canon patent describes self-lubricating DSLR body cap

We’ve shared a number of patents from Canon recently, but its latest might just take the cake for the most interesting. Canon has apparently filed a patent for a DSLR body cap that lubricates the lens mount. Originally filed back in December of 2013, the patent breaks down the concept of a body cap that uses a porous plastic material to slightly lubricate the mount as the cap is put on and taken off. We’re as puzzled as you are. Sure, there is a benefit in keeping the lens mount properly lubricated, such as keeping the electronic contacts clean. But,...
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