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:
Jan. 06, 2015
Filed:
Jan. 31, 2013
Applicant:
Olympus Imaging Corp., Tokyo, JP;
Inventors:
Tetsuya Yanai, Tokyo, JP;
Mayu Miki, Tokyo, JP;
Minoru Ueda, Kanagawa, JP;
Koji Nakagawa, Kanagawa, JP;
Toyoki Kon, Tokyo, JP;
Assignee:
Olympus Imaging Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 13/00 (2006.01); G02B 15/173 (2006.01);
U.S. Cl.
CPC ...
G02B 15/14 (2013.01); G02B 13/009 (2013.01); G02B 15/173 (2013.01);
Abstract
A zoom lens comprises in order from an object side a first lens unit having a positive refractive power. The first lens unit consist one positive lens. The zoom lens satisfies the following conditional expressions (1) and (2).Fno<2.7  (1)3.1<where,