https://community.usa.canon.com/t5/EF-RF-Lenses/help-70-200mm-tripod-ring/m-p/25913#M21346 <P>I tried to take off the tripod ring and managed to unscrew it - but now I want it back on and it won't screw in!&nbsp; I'm in a big hurry too for a photo shoot ...</P> Tue, 28 May 2013 19:20:53 GMT crockny 2013-05-28T19:20:53Z https://community.usa.canon.com/t5/EF-RF-Lenses/help-70-200mm-tripod-ring/m-p/25913#M21346 <P>I tried to take off the tripod ring and managed to unscrew it - but now I want it back on and it won't screw in!&nbsp; I'm in a big hurry too for a photo shoot ...</P> Tue, 28 May 2013 19:20:53 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/help-70-200mm-tripod-ring/m-p/25913#M21346 crockny 2013-05-28T19:20:53Z https://community.usa.canon.com/t5/EF-RF-Lenses/help-70-200mm-tripod-ring/m-p/25923#M21347 <P>There's a bit of felt-like&nbsp;materials.&nbsp; Try to squeeze the two-halves together before screwing it back in. It helps to have another person helping you.</P> Tue, 28 May 2013 21:19:19 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/help-70-200mm-tripod-ring/m-p/25923#M21347 diverhank 2013-05-28T21:19:19Z https://community.usa.canon.com/t5/EF-RF-Lenses/help-70-200mm-tripod-ring/m-p/25933#M21348 <P>Well I called Canon support because I had a shoot - they said it doesn't actually screw in and out - that there is a flange that's supposed to catch - anyway - they couldn't help me except for the info - after I hung up I noticed there was a noise like something was loose so I shook it down and low and behold it seemed to catch - the gap is not totally closed but it seems solid and is not moving - go figure ...</P> Tue, 28 May 2013 22:14:42 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/help-70-200mm-tripod-ring/m-p/25933#M21348 crockny 2013-05-28T22:14:42Z