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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 7, Iss. 8 — Aug. 1, 1968
  • pp: 1513–1518

Linearization of Characteristic Curves in Photographic Photometry

Gerard de Vaucouleurs  »View Author Affiliations


Applied Optics, Vol. 7, Issue 8, pp. 1513-1518 (1968)
http://dx.doi.org/10.1364/AO.7.001513


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Abstract

After a survey of various definitions of the photometric characteristic curve of photographic emulsions, this paper reintroduces a long forgotten photometric parameter, the opacitance ω = opacity − 1 = 10D − 1 and describes its application to a characteristic function I = A ω n ( n 1 2 ), which is linear in log–log coordinates over the whole range of densities of practical interest in photographic photometry. In a special case n = 1 and J = I/A = ω.

© 1968 Optical Society of America

History
Original Manuscript: January 12, 1968
Published: August 1, 1968

Citation
Gerard de Vaucouleurs, "Linearization of Characteristic Curves in Photographic Photometry," Appl. Opt. 7, 1513-1518 (1968)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-7-8-1513


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References

  1. G. E. Kron, I. I. Papiashvili, Pub. Astron. Soc. Pacific 79, 9 (1967). [CrossRef]
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  5. C. E. K. Mees, Theory of the Photographic Process (The Macmillan Company, New York, 1954), 2nd ed., p. 168.
  6. G. de Vaucouleurs, J. Dragesco, P. Selme, Manuel de Photographie Scientifique (Revue d’Optique, Paris, 1956).
  7. G. de Vaucouleurs, J. des Observ. 31, 113 (1948).
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  9. W. J. Albersheim. J. Motion Pict. Eng. 29, 417 (1937).
  10. W. B. Jones, D. L. Obitts, R. M. Gallet, G. de Vaucouleurs, Astronomical Surface Photometry by Numerical Mapping Techniques, Publ. Dept. Astron., Univ. Texas, (II) Nr. 8 (1967).
  11. R. A. Sampson, Mon. Not. Roy. Astron. Soc. 85, 212 (1925).
  12. G. de Vaucouleurs, Sci. Ind. Photo. 14,149, 193 (1943); Sci. Ind. Photo. 17, 257 (1946).

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