Lensrentals tears down the Canon EOS R5 and finds interesting sealing and thermal flow

Image credits: Photos published with kind permission from Lensrentals.
Since Canon announced the 8K-capable EOS R5 mirrorless camera, there has been heated discourse online about the thermal flow inside the camera and its propensity to overheat. Curious photographers have been wondering what the inside of the EOS R5 looks like and what sort of design features Canon has implemented into its latest high-resolution full frame camera. Wonder no more as Roger Cicala and Aaron Closz at Lensrentals have disassembled a Canon R5 to see what’s going on inside.
In terms of thermal design, when tearing down the R5, the duo found multiple heat sinks and thermal pads. For a photo camera, there is a lot of heat sink inside the EOS R5. However, compared to a video camera, the R5 features ‘not even a fraction of what’ is seen in a video camera.
Cicala speculates that it’s possible the camera has been designed to allow heat to exit through the top panel of the camera, as the connection of the top panel to the main body does not feature the same level of sealing found in the connections between the body and the bottom and side plates.

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