Ok, I have almost the exact same setup. So frustrating. I would receive the ERR 01 notification occasionally. Not sure if that is related but I just took off the adaptor, cleaned all contact points on lens and adaptor and shot off about 100 frames...
Just an update. I experimented with many other shooting modes using my 50 1.2 canon lens attached to the canon adaptor and had the same issues. As soon as I switch lenses the problem goes away. I updated firmware and I still have the same issue w...
Following this because I am having the exact same issues but your info has been very helpful. I also noticed when in High-speed shutter the icon is constantly blinking on the back screen.
