Can You See Ir Light

Infrared light is invisible to the human eye, but using an IR illuminator does make the user visible to others with night vision.

Can you see IR flash?

An infrared flash is going to produce a black and white picture and will be visible in the dark. It produces a dull red glow that is not bright enough to catch your attention in the dark but if you looked right at it, it would be visible.

Can iPhone see IR light?

Your iPhone’s main camera cannot see infrared light, because Apple added a filter over the lens that blocks out infrared light, so the infrared light cannot be seen on the screen.