COOKBOOK
CCD
CAMERAS
Last Updated on June 26, 1996
The Cookbook 245 and 211 cameras are nifty homebuilt CCD
cameras. They are designed for water cooling, but some folks have
modified them for convection or forced air cooling. The graph below
shows the result of cooling tests with my forced air arrangement, using
a 12V 80 ma fan to force air through some heat sinks on the back of the
heat exchanger.

Water cooling achieves lower temperatures, but air
cooling is more convenient, so I plan to use it most of the time. For
taking comet pictures with fast (f1.4) camera lenses, exposures of 8-16
sec. are usually the most that can be obtained without excessive
blooming, and this is short enough that maximum cooling is not a factor.
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