optic axis

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• 1. marts 2016 fra wordnet.princeton.edu

  optic axis — navneord — engelsk

  in a doubly refracting crystal, the line in the direction of which no double refraction occurs; "a crystal may have either one or two optic axes"

• 1. marts 2016 fra wordnet.princeton.edu

  optic axis — navneord — engelsk

  a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted; "in a normal eye the optic axis is the direction in which objects are seen most distinctly"