is there any other issues other than lens to camera communication which can cause the err01 code to appearas I have cleaned the contacts and it works fine for a while then plays up and locks me out. The other lens there is no problem
I have a Rebel T2i EOS 550 camera. When I take a picture and plug the memory card into the computer, two images of the picture show up. It appears they are with different exposures. How do I stop the computer/card/camera from doing this, and only ...
