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Excellent !!! Confirms my results and for the price (cheap as chips) is a worthwhile modification. I got down near zero but my ambient was quite a bit lower.
Haven't had a chance to go further as had to refix the Ob roof again after some 100 kph winds 'dislodged' it ( into the neighbours garden) again. And Weather hasn't been helpful either.
I am also now looking at attacking my poor old KM 7D DSLR ( no longer used ) with an IR cut mod and a cold finger. It suffers from some corner amp glow so I haven't used it much but as it has almost no value sales wise being only a 6 meg sensor I can afford to experiment on it. Downloaded the Service Manual so I can figure a way in. I'll document the process in case it helps anyone else. From the photos in the Manual I may be able to mount a big cold plate across the back on the alum frame. Looks like I might need another TEC soon.
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