Err99 Can anyone Help please!
Just had two weeks in Texas, three days into the first week my Canon 20D fitted with a Canon 100-400 lens stopped working showing the message Err99.
I did what it tells you to do in the manual and that didn't work I've cleaned all gold points on Camera and Lens still no good, replaced lens with my other canon lens and still no good. can anyone help Many thanks.
|