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Definitions of lens system
Definition that contains lens system
  • camera television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam
  • speed the ratio of the focal length to the diameter of a (camera) lens system
  • stigmatic pertaining to a lens or lens system free of astigmatism (able to form point images)
  • focal ratio the ratio of the focal length to the diameter of a (camera) lens system
  • anastigmatic pertaining to a lens or lens system free of astigmatism (able to form point images)
  • stop number the ratio of the focal length to the diameter of a (camera) lens system
  • achromatic lens a compound lens system that forms an image free from chromatic aberration
  • television camera television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam
  • compound lens a lens system consisting of two or more lenses on the same axis
  • f number the ratio of the focal length to the diameter of a (camera) lens system
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