Question about Canon EF-S 18-55mm f/3.5-5.6 USN Lens
Hello, We have a Canon EOS Rebel xti & the Canon EFS 18-55mm that originally came with the camera. We have been using the camera with no problem for about 1.5 yrs when one day the Auto focus stopped working. I tried moving the auto focus switch to manual and back, with no such luck. I have successfully taken manual photos in the past and the Auto focus did work afterwards.
Additionally, the auto focus does work with our telephoto lens. I suspect that there is something wrong with the Canon EFS 18-55mm lens, but wonder if I'm simply overlooking something. I haven't taken the lens apart, trying to avoid that, but not afraid to try if needed.
I appreciate the help.
Pulling gently on the focus ring worked for us. Exactly what the Dr. ordered. Slight pop, maybe 1/16" movement, and the lens is working again!
Posted on Jun 10, 2012
This is a problem with the mirror and the sensor. Have you out the camera in sensor clean mode? turning the camera to P then use the menu buttons to go to the second set of tool. clean sensor is there. You must have a good battery charge for it to work. take off the lens then hold the camera face down and activate the sensor. This did not work for me but this was one of the suggestions, if the mirror does lift back up when you put the camera in sensor clean mode then it is not the hinge that some are paying to be replaced. I took my camera and oddly enough turned it upside down in af mode in auto mode and it started shotting photos and focusing again. i did this about ten shots and when I put it back right side up everything worked fine! Try it and let me know.
Posted on Sep 08, 2009
I have the same problem. And the reason is very stupid for Canon: contact film inside the lens has been broken. This film bends while zooming a lens and I think It simply wasn't made reliable enough.
Posted on Aug 11, 2010
OMG This post saved me!!! My daughter said she was playing with my camera and I couldn't shoot in Auto mode with my 18-55MM lens! It was my only one other then telescopic lens. I was so upset! I tried cleaning everything, etc and still wasn't working. Tried the slight pull method and TADA its working again! THANK YOU THANK YOU THANK YOU!
Posted on Feb 26, 2013
Canon Service sucks. Takes them 3 weeks just to get the parts. Are they pulling out a crate engine? Insist that you needed the camera yesterday and if its under warranty, replace the whole fck'n unit with a new one so they can eat the old one.
Posted on May 26, 2011
Thank you so much. tried gently pulling outer end of ring in mauuel mode, mf lense switch. clicked pulled out turned straight back to AF whick was stcky before and it worked.
Posted on May 22, 2013
Pulling on the focus ring worked for me. Wow!!!. Although I did feel a "click" or anything noticeable. But it worked. Thanks A lot.
Posted on Nov 08, 2014
18-55 EFS is a throwaway kit lens. Spend a little money and replace it with a 17-85 EFS: it's a much better built lens without jumping to the pro line of lenses (L series)
Posted on Feb 02, 2015
The was the second Canon EF-S 18-55mm lens to stop working in autofocus mode for me - first one on a Canon 400D and this one on a 550D - began to think it was a user problem - but I also thought about not buying Canon ever again! First time it happened I couldn't find any answers on the internet, this time it seems quite a few people are experiencing the same thing. Checked the electrical contacts - they looked clean and not damaged or corroded - so I then tried pulling gently but firmly on the outer focus ring as suggested by others on this page and . . . CLICK! It worked! Full functionality now restored! Try it before spending heaps of money on repairs or replacements with added inconvenience. Coralie from Oz Down Under.
Posted on Nov 10, 2012
This happened to me also, but with a different Canon lens (EF-S 17-85mm IS). The problem start occurring while on vacation in the South shooting in very humid air. Luckly I realised what is happening and just switched to manual for the time being. Back home, I left the lens dry out for a few days and it's working fine again. My next lens will definitely be an L (weather proof)
Posted on Sep 06, 2010
Check for corrosion or dirt on the metal contacts at the back of the lens. If there's none, the lens will have to go to a repair shop.
Posted on Jun 29, 2008
The common problem with zoom lenses not auto focusing is a broken ribbon cable connector in the lens. If the lens focuses manually this is probably to problem. The repair can usually be done by your local camera repair shop and is a quick and relatively cheap job.
Posted on Mar 14, 2016
Thank you all for suggesting the pull technique. I was a little nervous but a slight pull and twist did the job. I just wondered why it jams up to begin with. Anybody know
Posted on Dec 28, 2015
Omg just pulled it, it clicked now working perfectly! Of to the USA in a week with the fam - this just saved me $200 for a new lense.
thank you so much
Posted on Mar 14, 2015
In my case, it was a screw that came loose inside the lens. It had to be disassembled and screwed back. It was an easy cheap fix with a Sigma repair guy.
Posted on Mar 03, 2015
Thanks! No corrosion. I guess I'll have to take it in.
Posted on Jun 30, 2008
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Posted on Apr 30, 2012
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Posted on Jan 02, 2017
I see this same problem occuring all over the internet on Canon lenses. Autofocus not working any longer. For some stupid reason the lense will lock up and quit autofocus while other lenses will work fine. A light pull on the lense focus ring away from the camera body will give a noticable pop or click which unlocks the jammed lense. Try it if you are having troubles with your autofocus. This is a very common problem and worth giving it a try.
Posted on Dec 20, 2010
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