The pictures here show how I modified my DSI Pro to incorporate TEC cooling. I got the camera at a deeply discounted price so I didn't feel too bad experimenting with it. The addition of the TEC was straightforward. HOWEVER, sealing the face of the CCD to prevent it from frosting was difficult. I finally succeded by assembling the front in a nitrogen purge environment with extreem care given to the sealing surfaces and gaskts. My last assembly has maintained the seal for several weeks. Anyway, have a look at the pics. The resultant noise reduction is dramatic.

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