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Unread 03-06-2006, 10:29
KenWittlief KenWittlief is offline
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Re: pic: Digital cameras do strange things

ok, if you took the photo then you have a real puzzle on your hands, and as an engineer I expect you to do what engineers do and run some tests on that camera

maybe take photos of a white pole moving diagonally across the image plane, maybe one top to bottom, and one left to right.

Maybe the camera has two CCDs (to get higher resolution) and they are not perfectly synchronized?

Maybe there is a bug in the camera firmware that causes it to not read the CCD from top to bottom. Maybe the capture and hold circuit is not working correctly.

Maybe you had the camera in some weird priority mode that kept the arpeture closed down and slowed the effective shutter speed way down.

Inquisitive minds want answers! :^)
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Unread 03-06-2006, 16:31
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Richard Wallace Richard Wallace is offline
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Re: pic: Digital cameras do strange things

Quote:
Originally Posted by KenWittlief
ok, if you took the photo then you have a real puzzle on your hands, and as an engineer I expect you to do what engineers do and run some tests on that camera ...
Right now I'm just looking for a few reasonable hypotheses to test. Thanks for providing some.

Since I've never seen a similar effect before, it doesn't seem reasonable to assume the conditions that caused it will be easy to reproduce. In situations like that, my experience has been that some time spent up front designing the experiment will reduce the time spent later repeating tests that fail to reproduce the effect I'm trying to study.
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I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.
(Cosmic Religion : With Other Opinions and Aphorisms (1931) by Albert Einstein, p. 97)
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