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Reports of the Committee on Vision 1947-1990 (1990) / Chapter Skim
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Physical Optics
Pages 55-62

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From page 57...
... The basic principle of the reflecting systems discussed is based on the use of a concave spherical mirror to form an image, together with a meniscus lens with suitable thickness and surface curvatures to correct spherical aberration. A system of this type avoids the difficulty ordinarily encountered in forming, with sufficient accuracy for visual applications, an aspherical optical surface, such as is required for a Schmidt correcting plate to serve a similar purpose.
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From page 58...
... A graphical method is described by means of which it is possible to determine the slant-range of a black aerial target for any target size and target altitude as well as for any condition of turbidity with uniform decrease in turbidity with altitude. Finally, a numerical survey of the magnitude of the slant-range of black aerial targets is presented in several tables.
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From page 59...
... 2% pp. no figures no tables 287 entries Availability: National Technical Information Service (NTIS)
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From page 60...
... 1, 1963. Availability: National Technical Information Service (NTIS)
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From page 61...
... 128 pp. 44 figures 3 tables 113 references Availability: AD 673425, National Technical Information Service (NTIS)
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Key Terms

  • information service
  • royal road
  • port royal
  • national technical
  • meniscus lens

  • visual applications
  • black aerial
  • spherical aberration
  • schmidt correcting
  • graphical method

  • correcting plate
  • reflecting elements
  • spherical mirror
  • concave spherical
  • employing reflecting

  • electrical activity
  • correct spherical
  • target altitude
  • reflection optics
  • numerical survey

  • uniform decrease
  • discriminatory functions
  • initial stages
  • sufficient accuracy
  • aspherical optical

  • perfect correction
  • simple visual
  • reflecting monocular
  • central visual
  • binocular telescopes


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