Well, this is a not unexpected patent filing, really. With all of the overheating issues surrounding the EOS R5 and EOS R6 bodies on release, it’s obvious Canon has heat issues. Even though firmware updates have improved it somewhat, their existing passive cooling isn’t really great. The EOS R5c solves the overheating issue with an active fan cooling system that makes the camera pretty chunky, but can Canon do better?
It looks like they want to, as a new patent application from Canon describes a liquid cooling system for mirrorless cameras. This one, though, shouldn’t make your camera all that much bigger. It’s a pretty interesting idea which uses a magnetic cooling fluid. This is pumped through the camera by magnetic fields. So, it’s not the typical sort of pump we’d find in other liquid-cooled devices, like desktop PCs.
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