Question about Canon EF-S 18-55mm f/3.5-5.6 USN Lens
Manual focus works and auto focus works with a different lens. How do I fix/clean the problem
Posted by Anonymous on
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Posted on Jan 02, 2017
First make sure contacts on lens are clean ( see enclosed pic #2 ) . If this does not solve the problem the ultrasonic motor may be faulty pic #1.( sometimes switching on but sometimes not , will have to be replaced , unless there is a bad connection between the motor and lens pc board )
Posted on Nov 26, 2007
SOURCE: Auto focus not working?
1st u reset the factory setting and then u see the lense is correctly fitted or not and the autofocus option is working or the manual focusing is there or not
Posted on Dec 14, 2009
This usually happens when the contacts between the lens and the camera are dirty. Try taking the lens off and cleaning carefully the metal contacts on the camera and the lens. If that does not solve the problem, you can get a warranty repair or replacement since that camera should still be under the original 12 month warranty.
Posted on Jul 21, 2010
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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