Canon EOS R comparison in size to the Sony and Nikon mirrorless cameras

You can see from this comparison from camerasize.com that the Sony A7III is smaller in different ways to the EOS R.  The grip is less defined in the A7 III, and the space in between the grip and the lens where your fingers rest is certainly tighter.

Outside of that, the two cameras both sporting their respective 24-105 F4 lenses are around the same size.

When compared to the Nikon Z6, the differences are less pronounced.  The EOS R has a slightly deeper grip and more space in between the grip and the lens mount than the Z6 cameras.  Size wise, they are very close to one another.

As we can see, Canon was concerned more about providing a comfortable camera capable of handling large full frame lenses.  Please note that the Nikon has a 24-70 lens which is why it's much smaller than the Canon equipped with the 24-105 lens.

The grip is deeper, and further apart from their competitors offering a more relaxed and comfortable grip.

It will be interesting to work with the camera's ergonomics, specifically the function bar and lens control wheels.  Canon has put alot of clever ergonomic features into this camera body that spells good things for the future.

Canon unveils the EOS R and RF: Whitepaper and other articles at Canon USA DPReview first impressions of the EOS R