TonyF Loc: Bradenton, FL

Have had the 70D with a Tamron 18-270, F3.5-6.3 since December. Just started messing around with the video.

While taking video, it stops recording, and I get this message:

Ensure a lens is attached
Press start/stop button to
activate movie shooting

This can happen after a few seconds or after a few minutes. Very frustrating since I have the lens on the camera!

I called Canon and was told that the connections where the lens meets the camera probably need to be cleaned with a soft lens cloth. (There are about 7 what look like brass connectors.) I did that while on the phone with him, then recorded for about 5 minutes with him on the phone, and no problem. Well, you know the rest. As soon as I hung up, I got the error message.

So I cleaned them again, set the camera down in one spot, and no problem for 10 minutes. But when I picked it up, I got the message. Seems when moving the camera, it looses connection.

Any help would be greatly appreciated.

jethro779 Loc: Tucson, AZ

First try another lens and see if the same thing happens. If not then maybe the lens needs a trip back to Tamron for repair.

TonyF Loc: Bradenton, FL

Thanks, Jethro. I'm out of town with only this lens, but will try that on Friday when home and let you know.