All new iMac desktop computers and MacBook Pro and MacBook Air laptops come with a built-in FaceTime HD camera, which you can use to shoot pictures and videos and make free video calls over the Internet. The camera’s lens is located above the screen. It does not have a physical switch to turn it on and off. Instead, the camera turns on automatically when you launch an application that uses the camera. To turn off the Mac’s camera, quit the application that’s using it. Writer Bio
