Serve as a reflection of the light from the object sent to the films contained in the film, the picture will save the buen. Some cameras can crack change lenses.
To receive light reflected from the object. Send to a film that contains a built-in camera to take pictures recorded booming. Some cameras can be removed Lens on demand
A light reflected from the object. Sent to the film contained in the film camera will record the bun. Some kind of camera can crack change lens according to the demand.