The dolly zoom, or ‘zolly,’ is a technique in which the camera zooms in on the main image or character while the camera is dollied (see ‘Dolly’) away or toward the same subject, so that the focus remains sharp while the background is flattened or sharpened.
As the water boils red, Chief Martin Brody (Roy Scheider) realises that the shark has struck again.
An original poster for Hitchcock's 'Vertigo'
Steven Spielberg preparing to film the classic dolly zoom from Jaws (1975)
Spielberg directing Roy Scheider in Jaws (1975)
The full set up for the Jaws Zoom.
Scottie Ferguson’s (James Stewart) fear of heights and increasing estrangement from reality is conveyed to the audience through the use of this technique throughout the film.
Main Image Roy Scheider in 'Jaws' (1975) © Universal Pictures
Jaws behind the scenes images. Photographs: MPTVA/HA/LFI
'Vertigo' (1958) © Alfred J Hitchcock Productions / Paramount Pictures
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