Original document(11 pages)  中文版
    The compound lens system comprises: from the objective to image, a glass-made first lens, a plastic-made second/third/fourth lens. Wherein, the first and third lenses have positive focus, other lenses have negative focus; all of four lenses have aspheric surface structure. This invention has well physical performance and well imaging feature fit to be used on mobile phone.
Application Number
申请号		 200510037235 Application Date
申请日		 2005.09.09
Title 名称 Combined lens system
Publication Number
公开号		 1928609 Publication Date
公开日		 2007.03.14
Approval Pub. Date Granted Pub. Date
International Classification 分类号 G02B9/34
Applicant(s) Name
申请人		 Hongfujin Precision Industry (Shenzhen) Co., Ltd.
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人
More information 更  多  信  息


 Related patents information
Optical path system of video disk
Digital camera lens mould set regulating method
Method of tuning focus of digital camera lens module
Optical read / write device
Digital camera lens
Optical reading/writing system
Automatic focusing method for digital camera
Digital image resolution test chart and producing method thereof
Optical pickup device
Composite lens system
Google
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.