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:
Dec. 01, 2009
Filed:
Dec. 20, 2006
Applicant:
Kazuya Watanabe, Saitama, JP;
Inventor:
Kazuya Watanabe, Saitama, JP;
Assignee:
Tamron Co., Ltd., Saitama-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The bent zoom lens is configured to include, arranged in order from an object side, a first lens group GRhaving a positive refractive power, a second lens group GRhaving a negative refractive power, a third lens group GRhaving a positive refractive power, a fourth lens group GRhaving a negative refractive power, and a fifth lens group GRhaving a positive refractive power. The first lens group GRincludes a single piece of meniscus lens having a negative refractive power and having a convex surface directed toward an object side, a prism that bends an optical path, and a single piece of double-convex lens having a positive refractive power.