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:
Jun. 26, 2018
Filed:
Aug. 19, 2015
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Takakazu Bito, Osaka, JP;
Hiroaki Suzuki, Osaka, JP;
Abstract
A zoom lens system includes a first lens group having a positive power, a second lens group that has a negative power and includes one lens element, a third lens group that has a positive power and includes at least two lens elements, and a subsequent lens group that has a positive power as a whole and includes at least two lens groups in order from an object side to an image side. In zooming operation, at least the first lens group to the third lens group move along an optical axis, and a condition of −9.0<fG/fG<−2.0 is satisfied. Where fGrepresents a focal distance of the first lens group and fGrepresents a focal distance of the second lens group.