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:
Oct. 27, 2015
Filed:
Feb. 19, 2014
Panasonic Corporation, Osaka, JP;
Tsuneo Uchida, Chiba, JP;
Satoshi Kuzuhara, Hyogo, JP;
Abstract
A zoom lens system comprising a positive first lens unit composed of three or four lens elements, a negative second lens unit, and subsequent lens units, wherein the subsequent lens units include an aperture diaphragm, an image blur compensating lens unit, and a focusing lens unit, which are provided on the image side relative to the aperture diaphragm, and the conditions: 1.8<|(Y/f)×F×(f/f)|<4.5 and 0.001<(D+D)/f<0.200 (Y=f×tan(ω), f, f: focal length of the zoom lens system at wide-angle limit, telephoto limit, ω: half view angle at wide-angle limit, F: F-number at telephoto limit, D: inter-apex distance between the first and second lens units at wide-angle limit, D: inter-apex distance between the second lens unit and a most object side lens unit among the subsequent lens units at telephoto limit) are satisfied.