Typical electronics are designed and tested for a 0C to +40C operating range. Industrial gear is a little more (-20 to +60C). Military gear is a little more. Automotive has it's own range. So your electronics may work at lower temperatures; it's just not tested. Your camera is made up of resistors, capacitors, inductors, and semiconductors and their values depend, in part, on the temperature. Their values may change enough that the electrical circuit no longer works. Electrical components usually specify a temperature range on the data sheet with wider range components costing more.
If you have a problem & think that someone else is going to solve it for you then you have two problems.
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