Here is a mirrorless comparison with high resolution cameras. Canon vs Sony vs Nikon vs…
Patrick Seguin tested and compared the Canon RF 28-70mm f/2L lens for the Canon EOS R system and the Canon EF 24-70mm f/2.8L II lens (EF mount lens for Canon DSLR).
Well, once more we get a confirmation that the Canon RF 28-70mm f/2L is an optical masterpiece. The 10 minutes video below tells you everything about this awesome EOS R lens, and why it beats the the Canon EF 24-70mm f/2.8L II.
The next, short video by Canon explains what makes RF lenses so special.