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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 39, Iss. 12 — Dec. 1, 1949
  • pp: 990–990

A Comparison of Photographic and Photoelectric Measurements of Atmospheric Attenuation of Brightness Contrast

HOWARD S. COLEMAN and HAROLD E. ROSENBERGER  »View Author Affiliations


JOSA, Vol. 39, Issue 12, pp. 990-990 (1949)
http://dx.doi.org/10.1364/JOSA.39.000990


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Abstract

A comparison has been made of atmospheric attenuation of brightness contrast data obtained by photographic and by photoelectric processes. The comparison involved the use of a photoelectric telephotometer and a photographic telephotometer of practically the same optical and mechanical design. Atmospheric attenuation of brightness contrast data was obtained for four practically monochromatic regions of the visible spectrum using plane objects subtending the same angle with respect to the point of observation and covering a range of approximately eight miles. The data obtained using the two types of equipment were found to be in close agreement.

Citation
HOWARD S. COLEMAN and HAROLD E. ROSENBERGER, "A Comparison of Photographic and Photoelectric Measurements of Atmospheric Attenuation of Brightness Contrast," J. Opt. Soc. Am. 39, 990-990 (1949)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-39-12-990

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