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Old 23-10-2019, 10:44 AM
luka's Avatar
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luka is offline
Join Date: Apr 2007
Location: Perth, Australia
Posts: 1,117
Firstly to give credit where it is due, the argon-filled bag was actually Glen's idea. A while ago few of us modified 450D to use cold finger straight on the back of the sensor (450D was best suitable for that). Glen was one of the pioneers.

Do not think that the argon filled bag is easy. They are impossible to seal properly and always need refilling.

Regarding the blue pixel mess, I can think of two things:
1. The condensation on the circuit board can cause shorts and can cause electronics damage or camera crashing. This is my guess what happened.
2. Thermal contraction/expansion - don't let the camera cool down/warm up too fast.
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