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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.:

US 9405106 B1

PDFFull Text
Date of Patent:
Aug. 02, 2016

Filed:

Jul. 30, 2014

Imaging lens and imaging apparatus

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Ukyo Tomioka, Saitama-ken, JP;

Michio Cho, Saitama-ken, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorney:

Young & Thompson

Primary Examiner:

Scott J Sugarman

Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 13/04 (2006.01); G02B 13/06 (2006.01); G02B 13/24 (2006.01); G02B 15/16 (2006.01); G02B 13/02 (2006.01); G02B 15/173 (2006.01);
U.S. Cl.
CPC ...
G02B 15/16 (2013.01); G02B 13/02 (2013.01); G02B 15/173 (2013.01);
Abstract

An imaging lens includes: a first lens group having a positive refractive power which is fixed during focusing operations; a second lens group having a positive refractive power which moves during focusing operations; and a third lens group which is fixed during focusing operations. The first lens group includes alens group having a positive refractive power, an aperture stop, and alens group having a positive refractive power. Thelens group includes a positive lens, a negative meniscus lens, a negative meniscus lens, a positive meniscus lens, a negative lens, a positive lens, a negative lens, and a cemented lens formed by a positive lens and a negative lens.

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