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24 October 2017 Robust design study on the wide angle lens with free distortion for mobile lens
Taeyoung Kim, Liu Yong, Qing Xu
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Proceedings Volume 10459, AOPC 2017: Optical Storage and Display Technology; 104590Y (2017) https://doi.org/10.1117/12.2285710
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
Abstract
Recently new trend applying wide angle in mobile imaging lens is attracting. Specially, customer requirements for capturing wider scene result that a field of view of lens be wider than 100deg. Introduction of retro-focus type lens in mobile imaging lens is required. However, imaging lens in mobile phone always face to many constraints such as lower total length, low F/# and higher performance. The sensitivity for fabrication may become more severe because of wide angle FOV. In this paper, we investigate an optical lens design satisfy all requirements for mobile imaging lens. In order to accomplish Low cost and small depth of optical system, we used plastic materials for all element and the productivity is considered for realization. The lateral color is minimized less than 2 pixels and optical distortion is less than 5%. Also, we divided optical system into 2 part for robust design. The compensation between 2 groups can help us to increase yield in practice. The 2 group alignment for high yield may be a promising solution for wide angle lens.
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Taeyoung Kim, Liu Yong, and Qing Xu "Robust design study on the wide angle lens with free distortion for mobile lens", Proc. SPIE 10459, AOPC 2017: Optical Storage and Display Technology, 104590Y (24 October 2017); https://doi.org/10.1117/12.2285710
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KEYWORDS
Distortion
Cell phones
Lens design
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