EOS R5 Mark II and EOS EF 24-70 F2.8 - error that the camera and lens are not communicating.
I have a brand new EOS R5 MK 2 When using is with the 24-70 F2.8 and a Canon adapter. I get the error message that the camera and lens are not commucating. This only happens when I zoom in a bit. Say over 35mm. At 24 it is fine. Thoughts anyone. Than...