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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 17, Iss. 6 — Dec. 1, 2013
  • pp: 518–524

Zoom Lens Design for a 10x Slim Camera using Successive Procedures

Sung-Chan Park and Sang-Hun Lee  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 17, Issue 6, pp. 518-524 (2013)


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Abstract

This study presents a new design method for a zoom lens, in which real lens groups are designed successively to combine to form a lens modules zoom system. The lens modules and aberrations are applied to the initial design for a four-group inner-focus zoom system. An initial design with a focal length range of 4.2 to 39.9 mm is derived by assigning the first-order quantities and third-order aberrations to each module along with the constraints required for optimum solutions. After obtaining the lens module zoom system, the real lens groups are successively, not separately, designed to get a zoom lens system. Compared to the separately designed real lens groups, this approach can give a better starting zoom lens and save time. The successively designed groups result in a zoom system that satisfies the basic properties of the zoom system consisting of the original lens modules. In order to have a slim system, we directly inserted the right-angle prism in front of the first group. This configuration resulted in a compact zoom system with a depth of 12 mm. The finally designed zoom lens has an f-number of 3.5 to 4.5 and is expected to fulfill the requirements for a mobile zoom camera having high zoom ratio of 10x.

© 2013 Optical Society of Korea

OCIS Codes
(120.3620) Instrumentation, measurement, and metrology : Lens system design
(220.0220) Optical design and fabrication : Optical design and fabrication
(230.0230) Optical devices : Optical devices

History
Original Manuscript: October 29, 2013
Manuscript Accepted: November 11, 2013
Published: December 25, 2013

Citation
Sung-Chan Park and Sang-Hun Lee, "Zoom Lens Design for a 10x Slim Camera using Successive Procedures," J. Opt. Soc. Korea 17, 518-524 (2013)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-17-6-518


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