1D Mark IV Exposure Oddity

Started Apr 28, 2012 | Discussions thread
CameraCarl
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Re: 1D Mark IV Exposure Oddity
In reply to Richard, Jan 27, 2013

It has been 9 months since this post, but I usually do have the auto power set to turn the camera off after 8 minutes.  These shots were occurring in rapid sequence after one another, well within the 8 minutes. Here is what Canon said about the warranty repair for the intermittent exposure problem: "it was found that the af assembly did not operate properly causing unevenness in the exposure. The af assembly was replaced."  While I didn't have any auto focus problems, the camera has not had the problem occur again, so I guess that Canon fixed it.

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