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Applied Optics

Applied Optics


  • Vol. 2, Iss. 3 — Mar. 1, 1963
  • pp: 273–276

The Production and Use of Variable-Transmittance Sinusoidal Test Objects

Robert L. Lamberts  »View Author Affiliations

Applied Optics, Vol. 2, Issue 3, pp. 273-276 (1963)

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Test objects that vary sinusoidally in transmittance have been made by photographing variable-width sinusoidal test objects with cylindrical optics and printing the negative in such a way that the over-all gamma of the negative-positive combination is approximately unity. A gray scale is included with the test-object array and serves to calibrate the various levels carried through the systems that are tested. Methods of use are described and a practical example is given.

© 1963 Optical Society of America

Original Manuscript: March 14, 1962
Published: March 1, 1963

Robert L. Lamberts, "The Production and Use of Variable-Transmittance Sinusoidal Test Objects," Appl. Opt. 2, 273-276 (1963)

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