Canon pitches the R5 at around the same level as the Canon EOS 5D Mark IV, which means it’s designed for use by experienced enthusiast and professional photographers. It combines a healthy collection of button and dial controls with an excellent touch-control interface on the 3.15-inch 2.1-million dot vari-angle screen.
Finally, the finish, the tropicalization, and the overall robustness of the EOS 1-D X are still a notch above those of the EOS 5D Mark III, despite the progress Canon has made with its third generation of 5D cameras. More professional, the EOS-1D X retains certain exclusive features in the Canon reflex line that allow it to insert itself better
The Canon 5D Mark IV boasts enhanced autofocus performance thanks to its new 61-point AF system (taken from the Canon EOS 1D X Mark II). Manfrotto Pro Backloader Light camera backpack review

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While Canon don't specifically refer to the EOS 5D as a 'professional' digital SLR it will . 286 9 478 129 185 325 367 121

is canon 5d a professional camera