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单词 depth of field
释义

WordReference Random House Unabridged Dictionary of American English © 2024
depth of field, [Optics, Photog.]
  1. Optics, Photographythe 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 depth of focus. 
  • 1910–15

Collins Concise English Dictionary © HarperCollins Publishers::
depth of field n
  1. the range of distance in front of and behind an object focused by an optical instrument, such as a camera or microscope, within which other objects will also appear clear and sharply defined in the resulting image
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