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Proceedings Article

Recent development of zoom lenses

[+] Author Affiliations
Kazuo Tanaka

Canon Inc. (Japan)

Proc. SPIE 3129, Zoom Lenses II, 13 (September 25, 1997); doi:10.1117/12.279088
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From Conference Volume 3129

  • Zoom Lenses II
  • Ellis I. Betensky; Allen Mann; Iain A. Neil
  • San Diego, CA, United States | July 27, 1997

abstract

This paper summarizes two subjects; one is theoretical development of zoom lenses and another is their configurational advances.ln the former part, a general zoom equation is presented and its paraxial analysis is, in general, derived. In the latter part, it is enumerated and analyzed newly developed configurations of zoom lenses, such as a built-in range extender, an electronically compensated zoomlens, a two-component telephoto type and others.

© (1997) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Topics

Zoom lenses
Citation

Kazuo Tanaka
"Recent development of zoom lenses", Proc. SPIE 3129, Zoom Lenses II, 13 (September 25, 1997); doi:10.1117/12.279088; http://dx.doi.org/10.1117/12.279088


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