Canon News has discovered an interesting patent that identifies external accessory based cooling for a 1 series camera body. While this camera shown in the illustrations is clearly a 1 series camera, it does not appear to be the 1DX Mark III body. It’s highly possible that this was one of the early attempts to manage heat in the upcoming 1DX Mark III that was later abandoned.
The goal of this patent is to find a way to cool down the camera without increasing the size of the camera, as explained from the patent application;
Conventionally, even in a digital camera, heat generation in an image sensor and an image processing circuit has become a problem due to an increase in pixels of the image sensor and a high frame rate of a moving image. In addition, the camera itself is required to be miniaturized, and there are few parts that release heat. For this reason...
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