topic I receive an error message saying the clean contacts when using my Tamron 70--200 lens with my T5i. in EOS DSLR & Mirrorless Cameras https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-receive-an-error-message-saying-the-clean-contacts-when-using/m-p/49331#M72534 Sun, 17 Nov 2013 04:20:04 GMT Jrrubins 2013-11-17T04:20:04Z I receive an error message saying the clean contacts when using my Tamron 70--200 lens with my T5i. https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-receive-an-error-message-saying-the-clean-contacts-when-using/m-p/49331#M72534 Sun, 17 Nov 2013 04:20:04 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-receive-an-error-message-saying-the-clean-contacts-when-using/m-p/49331#M72534 Jrrubins 2013-11-17T04:20:04Z