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.

Date of Patent:
Nov. 22, 2016

Filed:

Jan. 13, 2015
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Tsutomu Iwashita, Osaka, JP;

Yoshiaki Kurioka, Osaka, JP;

Takehiro Nishioka, Nara, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 13/00 (2006.01); G02B 15/173 (2006.01); G02B 15/16 (2006.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
G02B 13/009 (2013.01); G02B 15/14 (2013.01); G02B 15/16 (2013.01); G02B 15/173 (2013.01); H04N 5/23296 (2013.01);
Abstract

A zoom lens system comprising a plurality of lens units each being composed of at least one lens element, and comprising, in order from an object side to an image side, a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having positive optical power, a fourth lens unit having positive optical power, and a fifth lens unit having negative optical power, wherein the first lens unit is composed of two or less lens elements, the third lens unit is composed of five or more lens elements, and the condition: 5.0<f/f<8.0 (f: a focal length of the first lens unit, f: a focal length of the third lens unit) is satisfied.


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