The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2013
Filed:
Dec. 20, 2010
Fang-ying Peng, Taipei Hsien, TW;
Hai-jo Huang, Taipei Hsien, TW;
Sheng-an Wang, Taipei Hsien, TW;
Xiao-na Liu, Guangdong, CN;
Fang-Ying Peng, Taipei Hsien, TW;
Hai-Jo Huang, Taipei Hsien, TW;
Sheng-An Wang, Taipei Hsien, TW;
Xiao-Na Liu, Guangdong, CN;
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Abstract
A zoom lens system includes, from the object-side to the image-side thereof, a first lens group, a second lens group, and a third lens group. The first lens group includes a first lens and a second lens. The second lens includes a third lens, a fourth lens, and a fifth lens. The fourth lens and the fifth lens are attached to each other. The third lens group includes a sixth lens. The zoom lens system satisfies the following conditions: 0.35<f/f<0.7; 1.8<|f/Fw|<3; 0.5<|f|/Ft<0.9; 0.7<f/Ft<1.2, wherein: fis a focal length of the first lens; fis a focal length of the second lens; fis a focal length of the attached fourth lens and fifth lens; Fw is a focal length of the zoom lens system at a wide-angle end; Ft is a focal length of the zoom lens system in a telephoto state.