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Hah ! it's either a copy or maybe the original designer has gone commercial with his idea. This design was linked into the thread a while ago. It still only acheives a cool temp outside the camera body, inside at the sensor there is still no control and minimal effect. The magnesium bodied Canons ( ie the expensive ones ) seem to work better in that environment but the normal well protected plastic bodied models not so good as our experiments have proven so far.
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