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Hi All,
Thanks for all the comments, BERT- Cooling the EOS300D is difficult, it wasent designed for it, two big problems- condensation and conductivity, a cold finger would be the way to go, but this means chopping up the case, I feel that a bag over the whole camera, that will allow the control leads access in which "Dry Ice" is placed could do the job, or as you suggest cold air blown via a duct into a bag surrounding the Camera- source remote from the camera, has prospects, this way fan vibration is not a problem, Etc. Etc..
By comparison my MX7C cooled camera has the Peltier plate right at the back of the CCD chip, with the hot side being heat sinked to the whole body of the camera, and the CCD chip is sealed by a glass window from the outside air to help stop condensation.


Tidalphase- Cooling the Camera in the Fridge wont harm it, as the whole of the camera contracts/expands at the same temp. the small amount of condensation quickly evaporates, but not a good idea with a Film Camera with Film in it.


Dennis,
Interesting, 6 Deg. drop in Temp. =half the noise, that I dident know, but in practice it seems that one has to cool the chip (varies from chip to chip, and CCD or CMOS) to some 20 Deg. below ambient to get useful results, but this also varies, as if you start at 30 C. you will notice a big difference in the noise level going down to 10 Deg., and of course if you start at 10 Deg. (Victorians- Tasmanians) the result will be less noticable down to -10 Deg.



cheers....Jim