Until March this year, I was still using an aging Canon EOS 6D Mark ... on the EOS R5 Mark II (or 96MP on the EOS R1). And, as you can see from my colleague's test images below, the results ...
If you have a Sandisk SD card in your Canon EOS R5 II, you may want to check that ... 128GB and 256GB V60 cards" may cause still images taken with the camera to be "recorded as corrupted/abnormal." ...