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Canon 300d Auto Focus Problem

Started Dec 19, 2012 | Questions thread
R2D2 Forum Pro • Posts: 26,551
Re: Canon 300d Auto Focus Problem

Doug Pardee wrote:

Is the submirror coming down? The Digital Rebel/300D is susceptible to a failure of the hinge pin on the submirror, which can result in the submirror "sticking" to the back of the main mirror. When that happens, the image doesn't get reflected to the AF sensors.

If you're seeing a bit of "double-image" in the viewfinder, that's almost certainly the problem.

+1

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