The camcorder is really a combination of two pieces of equipment: a video camera and a recorder.
The camcorder’s CCD device converts reflected light into electrical signals, which are then recorded onto the videotape (or similar recording device).
Focusing is achieved by adjusting (lengthening or shortening) the distance of the lens from the CCD device.
A lens’s telephoto setting allows the videographer to record a “close-up” view of a distant object.
White balance is the adjustment on a camera that determines how the camera processes colors.
When recording objects moving at high speeds (a race car, for example) it is recommended that a high-speed shutter setting be used.