crwdns2934241:0crwdne2934241:0 jimmie.bellah

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Er 01 Communications between camera and lens

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Just got the 5D mark II this past fall for high school photojournalism class. It worked for a few weeks and then started giving Er 01 message. I have changed lenses and cleaned contacts, still get error message and it does not focus.

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Canon EOS 5D Mark II

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open