A pan tilt roll camera head, also known as a 3-axis motorized camera head, is a device used in photography and videography to control the movement of a camera. The device consists of three motorized axes - pan, tilt, and roll - which allow the camera to move horizontally, vertically, and rotate along its axis.

The pan axis allows the camera to move horizontally from left to right, while the tilt axis allows it to move vertically up and down. The roll axis enables the camera to rotate around its central axis, providing greater flexibility and range of motion.

Motorized camera heads are commonly used in professional video productions, including film, television, and live events. They allow for precise and smooth camera movements, making it easier to capture high-quality footage.

Some motorized camera heads also come equipped with advanced features such as programmable motion paths, wireless remote control, and real-time motion tracking, making them even more versatile and useful for a variety of applications.