optical aberration

Definitions of optical aberration
  1. noun
    an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
    synonyms: aberration, distortion
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    chromatic aberration
    an optical aberration in which the image has colored fringes
    spherical aberration
    an optical aberration resulting in a distorted image
    type of:
    optical phenomenon
    a physical phenomenon related to or involving light
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