Question about Canon EOS 400D / Rebel XTi Digital Camera

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Canon 400D. Autofocus problem

My 400D has just developed an autofocus problem.
When I press the shutter button half way to activate the autofocus, it is constantly stuttering - the lens is moving left and right rapidly - as if it is confused about what to focus on.
It is not focusing in and out like it would if you point into the sky for example, it is moving fractionally in and out just a couple of millimeters each way, and I would imagine it's not doing the drive any good.
I have tried 2 different lenses with the same results, so presume it is the camera where the fault lies. Could it be a dirty sensor?

Any help will be much appreciated.

Mal B.

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  • bgebz Feb 20, 2008

    Same thing here. Help please?

  • bgebz Feb 20, 2008

    Same here.  Any help please?

  • mcfull Mar 16, 2008

    Just developed this problem. I also have the light blinking which means can't focus. I have the nine point focus. I can do it maually but not auto. I can't think of anything to correct this problem.

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(facing the LCD screen towards you, as if you're going to take a photo) there's a button in the upper right-hand corner that will allow
you to AF to a certain point (9-pts total) or the center, or all 9-points, maybe you have it set to one point and it's off center??
definitely sounds like a camera setting probelm
just a thought

Posted on Feb 25, 2008

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