Expert system for zoom lens design

Xuemin Cheng; Yongtian Wang; Qun Ha

doi:10.1117/12.531203

Expert system for zoom lens design

Xuemin Cheng^*, Yongtian Wang, Qun Ha

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Conference article › peer-review

Abstract

An expert system for zoom lens design is developed. The Gaussian parameters of the zoom system are optimized using the damped-least-squares method to achieve smooth zoom cam curves, with the F-number of each lens group in the zoom system constrained to a rational value. Then each lens group is selected automatically from a database according to its range of F-number, field of view and magnification ratio as it is used in the zoom system. Design examples are given, which show that the scheme is a practical way for the automatic determination of initial layout for zoom lens design.

Original language	English
Pages (from-to)	419-424
Number of pages	6
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5249
DOIs	https://doi.org/10.1117/12.531203
Publication status	Published - 2004
Event	Optical Design and Engineering - St. Etienne, France Duration: 30 Sept 2003 → 3 Oct 2003

Keywords

Expert system
Lens group database
Zoom lens

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10.1117/12.531203

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AU - Wang, Yongtian

AU - Ha, Qun

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AB - An expert system for zoom lens design is developed. The Gaussian parameters of the zoom system are optimized using the damped-least-squares method to achieve smooth zoom cam curves, with the F-number of each lens group in the zoom system constrained to a rational value. Then each lens group is selected automatically from a database according to its range of F-number, field of view and magnification ratio as it is used in the zoom system. Design examples are given, which show that the scheme is a practical way for the automatic determination of initial layout for zoom lens design.

KW - Expert system

KW - Lens group database

KW - Zoom lens

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U2 - 10.1117/12.531203

DO - 10.1117/12.531203

M3 - Conference article

AN - SCOPUS:1942425112

SN - 0277-786X

VL - 5249

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EP - 424

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Optical Design and Engineering

Y2 - 30 September 2003 through 3 October 2003

ER -

Expert system for zoom lens design

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Keywords

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