Managed to get four hours of imaging last night with the Canon running at -7C the whole time (ambient at start was +18C). The humidity was 80% and there was alot of dew. The camera was argon filled, and bagged in argon. No condensation other than on the external surface of the bag which is easily wiped away. The temperature controller performed well with the control value set to 1C there was less over-shoot and undershoot of the target. I'll consider this mod for my camera to be successfully completed and operational. Good luck to the others about to undertake this mod. Thanks to Rowland for this thread and his assistance.
Last edited by glend; 18-04-2015 at 12:04 PM.
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