Hello I have pi night camera like this below:
but I can't understand why the color approaches purple?
how come? is there anything I can do?
This is because it is a night camera, it does not record in full colour.
If you install the 'Camera Settings' plugin, you should have an option to change the white balance mode, so it becomes a greyscale type image rather than purple.
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Not quite correct, it does record in full colour but doesn't have an infra red filter so the ir reflected light causes the pink tinge
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Correct, that is a night camera and thus doesnt have an IR cut filter. You will never get true color from it. Buy yourself something like arducam that has a cut filter you can control for day/night operation.
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