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Meaning of depth of field

depth' of field'

Pronunciation: [key]
— Optics, Photog. Optics,Photog.
  1. the range of distances along the axis of an optical instrument, usually a camera lens, through which an object will produce a relatively distinct image. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.