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Proceedings Paper

9.3 X continuous zoom optical system with finite conjugate distance
Author(s): Yiyu Li; Yuanyuan Wang; Dexi Zhu; Jiaojie Chen; Chengpeng Jin; Fan Lu
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Paper Abstract

A continuous zoom optical system with finite conjugate distance was designed for low-vision aid device. The configuration of the zoom optical system and the evaluation of the optical performance including modulation transfer function(MTF) and diffuse spot in diameter were investigated. The stability of the system performance was forecast by using the tolerance sensitivity analysis and Monte Carlo method. This mechanically compensated zoom lens combines four group components including a fixed objective, moving variator and compensator, and a fixed eyepiece with a total of 10 pieces of lens. The optical system which has a tube length of 76 mm and a front intercept distance of 262 mm can realize continuous zoom from 8.8~ 52 mm and 9.3 X zoom ratio without any image vignetting or obvious fluctuation in image quality.

Paper Details

Date Published: 22 October 2010
PDF: 7 pages
Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76582U (22 October 2010); doi: 10.1117/12.865796
Show Author Affiliations
Yiyu Li, Wenzhou Medical College (China)
Yuanyuan Wang, Wenzhou Medical College (China)
Dexi Zhu, Wenzhou Medical College (China)
Jiaojie Chen, Wenzhou Medical College (China)
Chengpeng Jin, Wenzhou Medical College (China)
Fan Lu, Wenzhou Medical College (China)


Published in SPIE Proceedings Vol. 7658:
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology
Yadong Jiang; Bernard Kippelen; Junsheng Yu, Editor(s)

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