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http://dx.doi.org/10.3807/KJOP.2005.16.1.034

Zoom lens design for compact digital camera using lens modules  

Park, Sung-Chan (Electro Physics Major, School of Advanced Science, Dankook University)
Lee, Sang-Hun (Electro Physics Major, School of Advanced Science, Dankook University)
Publication Information
Korean Journal of Optics and Photonics / v.16, no.1, 2005 , pp. 34-42 More about this Journal
Abstract
This paper presents the optimum initial design containing the first and third order properties of the three-group zoom system using lens modules, and the real lens design of the system. The optimum initial design with focal length range of 4.3 mm to 8.6 mm is derived by assigning appropriate first and third order quantities to each module along with the specific constraints required for the system. An initial real lens selected for each group has been designed to match its focal length and the first orders into those of the each lens modules, and then combined to establish an actual zoom system by adjusting the air space between the groups at all zoom positions. The combination of the separately designed groups results in a system which satisfies the first order properties of the zoom system composed of the original lens modules. As a result, by residual aberration correction, we could obtain a zoom system useful in compact digital zoom cameras and mobile phone cameras employing the rear focus method.
Keywords
lens module; zoom lens; digital camera; optimization; aberrations;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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