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Thanks Jo. I did overtime on this one, but it was worth the trouble. Nice to look down the barrel and see a fogless sensor, with the cold finger at -3C. It works in camera to roughly the same specs as the test rig, with -22C diff. Hardly budged taking a 3min dark. The 8amp TEC is a beast - tempted to try it... hmmm... No! Leave it be... Next is to translate that all to the 5d mkii.
EDIT: -7C cold finger and no condensation on sensor face. Consistent 19.5C differential. No change over 3 min exposure.
Last edited by rcheshire; 12-08-2013 at 10:50 PM.
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