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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 10 — Apr. 1, 2009
  • pp: 1932–1935

Minimal movement zoom lens

Jim Schwiegerling and Carmen Paleta-Toxqui  »View Author Affiliations

Applied Optics, Vol. 48, Issue 10, pp. 1932-1935 (2009)

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We make a novel telescope design using a pair of Alvarez lenses. Previous examples using these types of lenses were single elements used just to provide a change in power. Consequently, the location of the object and/or image plane must move. In this effort, we combine two elements to form a telescope. In this manner, we can fix the location of the object and image plane and simply change magnification. We describe the shapes of the Alvarez lenses used, as well as the advantages, the disadvantages, and the differences between a telescope using Alvarez lenses and a traditional telescope.

© 2009 Optical Society of America

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(110.0110) Imaging systems : Imaging systems

ToC Category:
Imaging Systems

Original Manuscript: November 20, 2008
Manuscript Accepted: January 2, 2009
Published: March 26, 2009

Jim Schwiegerling and Carmen Paleta-Toxqui, "Minimal movement zoom lens," Appl. Opt. 48, 1932-1935 (2009)

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  1. L. W. Alvarez, “Two-element variable-power spherical lens,” U.S. patent 3,305,294 (21 February 1967).
  2. L. W. Alvarez and W. E. Humphrey, “Variable-power lens and system,” U.S. patent 3,507,565 (21 April 1970).
  3. L. W. Alvarez, “Development of variable focus lenses and a new refractor,” J. Am. Optometric Assoc. 49, 24-29(1978).
  4. A. N. Simonov and G. Vdovin, “Cubic optical elements for an accommodative intraocular lens,” Opt. Express 14, 7757-7775(2006). [CrossRef] [PubMed]
  5. I. M. Barton, S. N. Dixit, L. J. Summers, C. A. Thompson, K. Avicola, and J. Wilhelmsen, “Diffractive Alvarez lens,” Opt. Lett. 25, 1-3 (2000). [CrossRef]
  6. T. Martinez, D. V. Wick, D. M. Payne, J. T. Baker, and S. R. Restaino, “Non-mechanical zoom system,” Proc. SPIE 5234, 375-378 (2004). [CrossRef]

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