New sensor and processor
The sensor in the EOS R5 is all-new and comes paired with a Digic X processor that's likely related to the processor in the EOS-1D X Mark III. The sensor offers an expansive 45 million pixels of resolution and, though we don't yet have official figures or a fully testable camera, Canon has told us to expect a one-stop increase in dynamic range versus the EOS R. We're told that readout speed has been boosted and thus rolling shutter has also been minimized, which will be especially handy for those who want to take advantage of the camera's silent fully electronic shutter.
Canon says to expect a one-stop increase in DR versus the EOS R
The sensor and processor combo enables burst speeds of up to 12 fps with the mechanical shutter and 20 fps using the electronic shutter with full autoexposure and autofocus. The camera also comes with a usefully deep buffer whether you use the camera's CFExpress card slot or the UHS-II SD card slot. Canon tells us that using the former will allow you to shoot 180 Raw images before the camera starts to slow, and the latter still gives you 87 Raw images at the 12 fps rate. The camera uses the CR3 file format with ~35-42MB file sizes, though using C-Raw will reduce file sizes to around half that.
The camera brings an update to the Dual Pixel Raw feature that debuted on the EOS 5D Mark IV. Using the Dual Pixel sensor design, you can adjust background clarity (which we're waiting to hear more on), as well as a 'portrait relighting' feature that is similar to some relighting options we've seen on smartphones. It uses facial recognition data and some depth information from the AF system, and we'll be taking a closer look at it when we have a full production unit.
https://www.dpreview.com/reviews/can...initial-review
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