/ Dictionary / Index D depth of field: Meaning and Definition of Find definitions for: depth' of field' Pronunciation: [key] — Optics, Photog. Optics,Photog. 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. depth charge depth perception Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language