Dolly zoom

A dramatic shot where the lens is zoomed in as the camera dollies away from the subject (or the camera can move closer as the lens zooms out) so that the subject remains the same size in the frame throughout while the perspective changes.

Famously the dolly zoom was used in the Alfred Hitchcock film Vertigo (1958) and as a result it is sometimes called a Hitchcock shot or Vertigo shot. Skip to 2:00 in the video below.

Another well-known example is the reaction shot of Roy Schneider in Jaws (0:21-0:23):

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