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.

Date of Patent:
Mar. 23, 2021

Filed:

Dec. 05, 2017
Applicant:

Olympus Corporation, Hachioji, JP;

Inventor:

Ikutoshi Fukushima, Tokyo, JP;

Assignee:

OLYMPUS CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 23/24 (2006.01); A61B 1/00 (2006.01); G02B 23/26 (2006.01); G03B 35/10 (2006.01);
U.S. Cl.
CPC ...
G02B 23/2415 (2013.01); A61B 1/00 (2013.01); A61B 1/00096 (2013.01); A61B 1/00193 (2013.01); G02B 23/2438 (2013.01); G02B 23/26 (2013.01); G03B 35/10 (2013.01);
Abstract

An image-acquisition apparatus is provided with: an imaging optical system; and an image-acquisition device that acquires parallax images, wherein the imaging optical system is provided with a first negative lens group, a first positive lens group, and a second positive lens group, wherein the first positive lens group and the first negative lens group are disposed along a common center axis, wherein the second positive lens group is provided with two positive lens groups that are disposed next to each other in a parallax direction on either side of the common center axis and that individually have center axes, wherein two aperture stops having openings, wherein the first positive lens group has only one moving lens group that is moved, and wherein all of remaining lens components in the imaging optical system, excluding the moving lens group, remain still.


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