Pan Tilt Zoom Cameras

Pan Tilt Zoom cameras can be set to automatic or manual mode or both. In automatic mode, hundreds of points can be set for the camera to look at. The duration that the camera looks at a given set point can be adjusted from less than a second to as long as you would like. Pan Tilt Zoom Camera

There are some variances in different models. Some have 17x zooms while others have 50x zooms or more.

Pan: Panning refers to the horizontal movement or rotation of a film or video camera, or the scanning of a subject horizontally on video or a display device.

Movie and television cameras pan by turning horizontally on a vertical axis, but the effect may be enhanced by adding other techniques, such as rails to move the whole camera platform. Slow panning is also combined with zooming in or out on a single subject, leaving the subject in the same portion of the frame, to emphasize or de-emphasize the subject respectively. Pan tilt Zoom Cameras this is a part of the system.

Tilt: Tilting is a cinematographic technique in which the camera is stationary and rotates in a vertical plane (or tilting plane). A rotation in a horizontal plane is known as panning. Tilting the camera results in a motion similar to someone nodding their head "yes".And this is a part of the Pan Tilt Zoom Cameras System.

Zoom: A zoom lens is a mechanical assembly of lens elements with the ability to vary its focal length (and thus angle of view), as opposed to a prime lens which has a fixed focal length. They are commonly used with still, video, and motion picture cameras, some binoculars, microscopes and telescopes, and other optical instruments.
Another Part of the Pant Tilt Zoom Cameras System.

Palmvid's Pan Tilt Zoom Camera is sold here