zoom lens


zoom lens

noun

  1. (in a camera or motion-picture projector) a lens assembly whose focal length can be continuously adjusted to provide various degrees of magnification without any loss of focus, thus combining the features of wide-angle, normal, and telephoto lenses.

noun

  1. a lens system that allows the focal length of a camera lens to be varied continuously without altering the sharpness of the imageSee also telephoto lens

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