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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 58, Iss. 9 — Sep. 1, 1968
  • pp: 1296–1298

Standard Observer for Large-Field Photometry at any Level

D. A. PALMER  »View Author Affiliations

JOSA, Vol. 58, Issue 9, pp. 1296-1298 (1968)

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An empirical formula can express the equivalent luminance of any light as a function of the scotopic and photopic luminances. Tests show the suitability of this standard observer for large-field photometry at any level. A restriction on the use of the term equivalent luminance is suggested.

D. A. PALMER, "Standard Observer for Large-Field Photometry at any Level," J. Opt. Soc. Am. 58, 1296-1298 (1968)

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  1. D. A. Palmer, Nature 209, 276 (1966).
  2. D. A. Palmer, Vision Res. 7, 619 (1967).
  3. J. W. Walsh, Photometry (Constable, London, 1962).
  4. G. Wyszecki, J. Opt. Soc. Am. 57, 254 (1967), gives a recent summary of literature on this subject.
  5. CIE Publication 11A, 1964, Proceedings of 1963 meeting, Vienna (CIE Bureau Central, Paris 1964) 1st ed.
  6. D. L. MacAdam, J. Soc. Motion Picture Television Engrs. 64, 629 (1955).
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  10. H. V. Walters and W. D. Wright, Proc. Rov. Soc. (London) B131, 340 (1943).
  11. A. H. Taylor, Illum. Eng. 38, 89 (1943).
  12. C2 in Planck’s formula was taken as 1.438 × 10-2 m °K.

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