Canon 7D focus issue-new observation

Started Mar 31, 2013 | Discussions thread
Mr Ed M
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Re: If it happens in MF, it is not a focus issue.
In reply to rndman, Apr 1, 2013

rndman wrote:

plugin wrote:

I have no idea what is causing it (mine does not do anything like that), but if you are talking to Canon techs and call it a focus issue, you are making it harder for them to diagnose.

My suspicion  is that there could be some issue with the sensor cleaning mechanism. That is the only thing that can move the sensor. I know it ma not be moving back and forth, but that should be enough to create the un-sharp pictures..

It doesn't move the sensor, it moves the filter in front of the sensor.

Camera shake with a big long lens can be caused by a number of factors from the wind, to surface vibrations, to simply touching the camera.

Nothing new here that I haven't seen with reasonable explanation to the cause.

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