Question about Canon Normal EF 50mm f/1.4 USM Autofocus Lens
It wasn't submersed but it won't focus or let my camera take a picture. Is there a chance I can dry it out. Is their electronics in the lens itself or just in the camera? The camera works with other lenses.
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Posted on Jan 02, 2017
SOURCE: The Auto focus just stop working
This lens should have a 1 year manufacturers warranty on it, and if my guess that the USM motor is burned out is true I would have it serviced by an authorized service technician. Before you do this though I would try cleaning the lens contacts to make sure it is communicating with the camera body. I of course am going on the assumption that you have tried other lenses on the camera body to make sure the problem is the lens and not the body. I hope this helps!
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Posted on May 29, 2008
There is no battery in the lens. The lens receives power from the camera. Whether or not the lens is getting power, though, you should be able to focus manually.
When you say you can't focus manually, do you mean that you can't turn the focusing ring on the lens, or that when you turn the ring the image does not come into focus?
If you decide the lens needs to be repaired, I recommend sending it to Canon. You can go to their website (canonusa.com if you're in the US), click on support, and follow the links.
Posted on Dec 26, 2008
you can have a look here:
Posted on Jan 19, 2009
If your AF motor is hunting then the lens probably needs to be looked at. I wouldn't recommend this as something to do at home so you will need to either find a repair shop if it is out of warranty or return it to Canon if it is in warranty.
Posted on Jan 17, 2010
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