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Cooled CCD's; don't get iced?

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I was wondering if anyone knows the reason why cooled CCD cameras don't suffer from ice build up when you have tempretures well below freezing?

Also, why don't you get moisture build up on the chip if the tempreture, is again different from the air in the scope.

Or perhaps this is the case?

Your thoughts on this would be much appreciated.



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My Atiks have a dessicant inside which can be changed. They also have an option to lightly heat the chip window, though switching this on is a palaver and can't be done on the camera control window but only by going into the programme itself.

Some cameras were prone to this problem though.

Essentially for me it is not very damp here most of the time, so that is a big help.


Edited by ollypenrice
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