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A project log for Cool my CCD

Is it worth cooling digital camera sensor? (Actually CMOS)

deepsoicDeepSOIC 03/30/2017 at 20:460 Comments

Cooling down...

I managed to cool it to -25°C. The element is supposed to reach almost 80K difference at 2A. So I expected something around -50°C. Maybe the thermal load is too high, or maybe the peltier element is damaged (I have had an accident with it, so it may very well be). Anyway, 45°C drop should be enough to notice.

I set up camera sensitivity to ISO 800. Switched off powerful LED light, and switched on my old room light fixture, which had only 2 bulbs populated out of 5 possible.

Results.

You should have noticed the whopping quality increase on one of the photos... Oh man, I'm disappointed. There is almost no improvement whatsoever!! WHY!!??

EPIC FAIL.

So, next step is to use the mighty liquid nitrogen. Stay tuned... Hopefully, the sensor can survive such a torture...

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