Auto Focus on a camera is the camera is focusing on the main object in the photo and blurring out the rest of the background around the object or person, you can turn it off, and its AUTO because it focuses on the object which it thinks is the main object. You can also focus manually.
Autofocusing is usually based on infra red radiation.
Autofocusing is usually based on infra red radiation.
The same ones used in the camera for taking the pictures, usually the visible light spectrum waves. Some older autofocusing systems (e.g. one used on some Polaroid instant cameras) used a SONAR ranging system, which used sound waves not electromagnetic waves.
Digital Camera!
A camera case is a case in which one can place their camera in when they are not using the camera to carry and protect the camera.
A camera enclosure or camera housing makes a once non-waterproof camera into a waterproof camera. A camera enclosure allows one to use their camera underwater and in the rain.
Its the camera.
A film camera
a Polaroid camera
An underwater camera, is a camera that works underwater.
Camera
a camera, phone camera