Invention Application
- Patent Title: MICRO PRIME LENS SYSTEM
- Patent Title (中): MICRO PRIME镜头系统
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Application No.: US12629972Application Date: 2009-12-03
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Publication No.: US20110058263A1Publication Date: 2011-03-10
- Inventor: Chun-Hong Chen , Jian-Wei Lee
- Applicant: Chun-Hong Chen , Jian-Wei Lee
- Applicant Address: TW Taichung
- Assignee: ASIA OPTICAL CO., INC.
- Current Assignee: ASIA OPTICAL CO., INC.
- Current Assignee Address: TW Taichung
- Priority: TW98130378 20090909
- Main IPC: G02B13/04
- IPC: G02B13/04

Abstract:
A micro prime lens system is provided. From an object side to an image side, the micro prime lens system sequentially includes a first lens, a second lens, a third lens and a fourth lens, which have a positive, a negative, a positive and a negative index of refraction, respectively. The third lens is an aspherical lens made of glass material and conforms to the following condition: 0.3
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