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:
Nov. 17, 2015
Filed:
Mar. 14, 2014
Olympus Imaging Corp., Tokyo, JP;
Olympus Corporation, Tokyo, JP;
Akinori Nishio, Tokyo, JP;
Mayu Miki, Tokyo, JP;
Masahito Watanabe, Tokyo, JP;
Tomoyuki Satori, Kanagawa, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A zoom lens consists of, in order from the object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power. The first lens unit and the second lens unit move during zooming from the wide angle end to the telephoto end. The zoom lens satisfies the following conditional expressions (1), (2), and (3):>6.0  (1),Fno<3.5  (2),andΣ<0.6  (3).