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. 21, 2017
Filed:
Oct. 09, 2015
Applicant:
Olympus Corporation, Tokyo, JP;
Inventors:
Takashi Fujikura, Tokyo, JP;
Keisuke Takada, Tokyo, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 15/177 (2006.01); G02B 15/20 (2006.01); G02B 13/04 (2006.01); G02B 15/15 (2006.01); G02B 9/34 (2006.01); G02B 13/00 (2006.01); G02B 7/04 (2006.01); G02B 15/22 (2006.01); G02B 15/16 (2006.01); G02B 5/00 (2006.01); G02B 3/14 (2006.01); G02B 15/00 (2006.01); G02B 7/10 (2006.01); G03B 5/00 (2006.01); G02B 13/18 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 15/177 (2013.01); G02B 15/20 (2013.01); G02B 3/14 (2013.01); G02B 5/005 (2013.01); G02B 7/04 (2013.01); G02B 7/10 (2013.01); G02B 9/34 (2013.01); G02B 13/004 (2013.01); G02B 13/009 (2013.01); G02B 13/0015 (2013.01); G02B 13/0045 (2013.01); G02B 13/04 (2013.01); G02B 13/18 (2013.01); G02B 15/00 (2013.01); G02B 15/14 (2013.01); G02B 15/15 (2013.01); G02B 15/16 (2013.01); G02B 15/22 (2013.01); G02B 27/0025 (2013.01); G03B 5/00 (2013.01); G03B 2205/0046 (2013.01);
Abstract
A zoom lens comprising in order from an object side, a first lens unit having a negative refractive power, a second lens unit having a negative refractive power, a lens unit having a positive refractive power, and a rearmost lens unit having a negative refractive power, and the rearmost lens unit is positioned nearest to an image in the plurality of lens units, and at the time of zooming, distances between the lens units in the plurality of lens units change. Moreover, an image pickup apparatus includes the zoom lens, and an image pickup element having an image pickup surface.