A camera perspective, on a moving or stationary subject, obtained while the camera is in motion on either a dolly or a camera truck. When the camera is so mounted and moves toward a closer proximity of the subject it is called `dolly-in`; likewise, when the camera is so mounted and moves away from the subject it is referred to as `dolly-out` Found on http://www.allmovie.com/glossary/term/dolly+shot
A dolly shot is one where the camera is placed on a dolly and is moved while filmming. Also known as a tracking shot Found on https://www.encyclo.co.uk/local/21112