stanfr
Illuminator
- Joined
- Dec 10, 2008
- Messages
- 3,900
I have not followed every little detail here, but are we to assume that the camera in question is digital? The reason I ask is that, assuming a digital camera with auto exposure and also auto white balance, it's important to remember that auto white balance is based, not actually on white balance (which is actually impossible), but on an algorithmic guess based on exposure. It's very clever, and works pretty well. But while we can make certain deductions regarding color, the finer points of color, especially relative blue levels, would be tenuous at best as proof of anything, especially in unusual conditions.
By the way, I don't know how things are done in Australia, but I sure would not want to be in a district where a non-human "recloser" tries the electricity without a human being having hunted down and repaired the fault. Around here, we use either tripping breakers or fuses, so as not to electrocute line workers and rescue squads and firefighters and the like. A human being turns the power back on either by resetting the breaker or replacing a fuse, only after the fault is found and fixed.
As for your first paragraph, yes that is exactly my point in my response just a few comments up...the OP said it was an xiaomi webcam (not sure the exact model) and it is most definitely digital and fairly inexpensive, which means that you are correct it is most likely fully automatic. Your point about WB is. correct, and in addition, the ISO is also fully AUTO. Which means that as it becomes darker abruptly during the outage, the camera is gonna struggle to adjust its settings, resulting in both potential changes in color (from WB) and exposure (from auto ISO) totally normal stuff but misleading if you are trying to use the results as evidence of anything unusual.
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