Manual exposure variations - why?

Started Jun 4, 2012 | Discussions thread
oysso
Regular MemberPosts: 471
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Re: Manual exposure variations - why?
In reply to KatManDEW, Jun 20, 2012

KatManDEW wrote:

Thanks to everyone for the feedback.

Since this has happened in the middle of bursts of shots (one dark exposure out of the bunch), and it has happened with multiple bodies and lenses, I am currently of the opinion that it's due to rare, random, shutter and/or aperture variations while shooting hand held in burst mode.

maybe I had right that it might be the only logic explanation for the variation.
But one person obviously did not agree with me

look here :
http://forums.dpreview.com/forums/read.asp?forum=1032&message=41762260

In one exposure the curtains must be closer together, hence making the exposure darker. Or the aperture is closed down too much at one instant. ...
What is most likely of those two, well, Canon should know.......

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