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:
Mar. 22, 2016
Filed:
Dec. 19, 2014
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Kyoichi Miyazaki, Osaka, JP;
Abstract
A single focal length lens system comprising at least a positive first lens unit and a second lens unit, wherein the first lens unit includes a first sub lens unit E which successively comprises a negative lens element A, a positive lens element B, a negative lens element C and a positive lens element D, a second sub lens unit comprising at least one lens element is a focusing lens unit in the second lens unit, and the conditions: 1.0<|f/f|<2.2, 0.5<f/f<2.0, 0.5<|f/f|<1.7, and 0.5<f/f<1.8 (f: focal length of the lens system, f: focal length of the lens element A, f: focal length of the lens element B, f: focal length of the lens element C, f: focal length of the lens element D) are satisfied.