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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 6, Iss. 10 — Oct. 1, 1967
  • pp: 1679–1681

A Precise Apertometer

P. D. Carman  »View Author Affiliations


Applied Optics, Vol. 6, Issue 10, pp. 1679-1681 (1967)
http://dx.doi.org/10.1364/AO.6.001679


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Abstract

An instrument and technique have been developed for measuring the numerical aperture of a microscope objective to a typical accuracy of 0.0001 compared with about 0.01 for a traditional commercial apertometer.

© 1967 Optical Society of America

History
Original Manuscript: February 3, 1967
Published: October 1, 1967

Citation
P. D. Carman, "A Precise Apertometer," Appl. Opt. 6, 1679-1681 (1967)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-6-10-1679


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References

  1. Specification for Photographic Lenses; Definitions, Methods and Accuracy of Marking (British Standards Institution, London, 1963), B.S. 1019.
  2. Methods of Designating and Measuring Apertures and Related Quantities Pertaining to Photographic Lenses (United States of America Standards Institute, New York, 1958), PH 3.29.
  3. P. D. Carman, W. N. Charman, J. Opt. Soc. Am. 54, 1121 (1964). [CrossRef]
  4. W. N. Charman, A. Olin, Phot. Sci. Eng. 9, 385 (1965).

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