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:
Aug. 28, 2018
Filed:
Nov. 01, 2016
Applicant:
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Inventors:
Tetsuya Yanai, Akiruno, JP;
Toyoki Kon, Kokubunji, JP;
Daichi Murakami, Hino, JP;
Yuki Kubota, Hachioji, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/60 (2006.01); G02B 15/173 (2006.01); G02B 15/20 (2006.01); G02B 5/00 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 15/173 (2013.01); G02B 5/005 (2013.01); G02B 15/20 (2013.01); G02B 27/0025 (2013.01);
Abstract
A zoom lens includes, in order from the object side, a first lens unit having a positive focal length, a second lens unit having a negative focal length, a third lens unit having a positive focal length, a fourth lens unit having a negative focal length, and a fifth lens unit having a positive focal length, wherein following Conditional Expressions (1) and (2) are satisfied:0.3≤3445≤1  (1), and0.2≤(3445)/(3445)≤0.6  (2).