Traditional Culture Encyclopedia - Photography and portraiture - What device can detect that the phone is taking pictures?

What device can detect that the phone is taking pictures?

You need to observe your surroundings in time.

Sneaking refers to recording some private shots by using pinhole camera and other monitoring equipment without the knowledge of the parties (victims). Devices made by spy technology are easier to sneak shots, and some pornographic websites often have "secret room sneak shots".