https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289874#M13920 <P>What version of the 100-400 lens are your referring to?</P> Mon, 16 Dec 2019 05:57:41 GMT Tronhard 2019-12-16T05:57:41Z https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289836#M13917 <P>Has anyone had a problem with the screws coming loose on their 100-400 lens?? If so what did you do to fix it?? Thank you.</P> Sun, 15 Dec 2019 17:05:49 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289836#M13917 canon52019fdgm 2019-12-15T17:05:49Z https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289846#M13918 <P>My version one of the 100-400mm zoom never missed a lick.&nbsp; Even though it always got bad press as a dust pumper. No issues at all.</P> Sun, 15 Dec 2019 17:52:29 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289846#M13918 ebiggs1 2019-12-15T17:52:29Z https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289851#M13919 <P>Greetings,</P><P>A tiny dab of blue loc-tite&nbsp;applied from a toothpick works great.&nbsp; "Less is more"&nbsp;</P> Sun, 15 Dec 2019 19:02:02 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289851#M13919 shadowsports 2019-12-15T19:02:02Z https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289874#M13920 <P>What version of the 100-400 lens are your referring to?</P> Mon, 16 Dec 2019 05:57:41 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/100-400-lens/m-p/289874#M13920 Tronhard 2019-12-16T05:57:41Z