Question about Canon Rebel XT / EOS 350D Digital Camera

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Camera won't shoot with lens on Auto Focus

I have a Canon Digital Rebel Xti. The 18- 55mm lens will not shoot on auto focus, but will on Manual focus. The camera shoots fine with my other lenses. I have cleaned the contact points of the lens with an eraser, but not sure what else to do. :)

I was shooting a series of indoor shots (EOS Rebel XT) today when right in the middle of the shoot my 18-55 (auto focus) just stop allowing for the shot. It goes through the focussing motion but won't shoot or even pre-fire the flash. I also cleaned the contacts with ** results. Switched to a 75-300 lense (auto focus) and it works fine. I've also been getting the error 99 since December on the 18-55 lense.

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  • MystiqueULH Aug 10, 2008

    I have found that I get error 99 when I have another lens on the body of the camera. Normally it shoots fine but when I want to up the f stop to 22 in lower light conditions and zoom in close I get the error 99 message. I think the camera just cant for some reason adjust to what I want. Other than that it shoots just fine.

  • Anonymous Mar 26, 2014

    How do I reset all the settings to the normal auto settings. Focus, flash don't really look the same.

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Talked to canon support, they suggested to send lense in for review/repair. They said it could be the motor, I think it was a gear problem based on the noises and jerkiness of the focusing action while in manual focus (manual focus gave out as well). Cost TBD - "would definately be more than $50. I shopped around and elected to buy a new lense rather than try to hassle with the repair, shipping, insurance, and the wait, etc. Besides, I have a deadline that I need the lense for, so repair at Canon really became a non-option. I think the cost would've been pretty much the same in the end as the new lense, since this wasn't one of the costlier of lenses to begin with.

Posted on Mar 20, 2008

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I'm sure you have long since returned from vacation!

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my suggestion is to always go with lens from camera maker.

sounds like there is an issue with the tamron lens. not the camera.
good luck
mark

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