The R does not have IBIS, am I right? How do you find the RF 70-200 f/2.8?
No, it doesn't. But the lens itself claims 5 stops of IS.
So far, I am absolutely delighted with the lens. Handling is superb, balance with the camera just right, sharpness excellent. I am rarely shooting stopped down anymore... 90% of shots at f/2.8 these days.