Eli5: Why does purple light come from a remote when seen through a camera

Question

Why?

In: 1

Answer 1

Cameras do their best to see and interpret light the same way humans do, but this engineering isn’t perfect. As such, they see some light that we do not, and in this case it’s infrared from the remote’s LED. It thinks it sees red and sends that to the screen.

Answer 2

Cameras do their best to see and interpret light the same way humans do, but this engineering isn’t perfect. As such, they see some light that we do not, and in this case it’s infrared from the remote’s LED. It thinks it sees red and sends that to the screen.