pan in (on someone or something)
To use a zoom lens on a video camera to bring someone or something into close-up while recording. The film opens on a dramatic view of the Grand Canyon before slowly panning in on a man tiptoeing along its edge. Start by filming the football game, then pan in on the name of the protagonist written on the back of his jersey. Make sure you linger on serenity of the suburbs before panning in.
(on someone or something) Go to zoom in (on someone or something).
See also: pan