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:
Jan. 05, 2021

Filed:

Dec. 21, 2017
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Yoshiaki Kurioka, Osaka, JP;

Takahiro Kitada, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/173 (2006.01); G02B 13/02 (2006.01); G02B 27/00 (2006.01); G02B 27/64 (2006.01); G02B 27/42 (2006.01); G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
G02B 15/173 (2013.01); G02B 13/02 (2013.01); G02B 15/1451 (2019.08); G02B 27/0025 (2013.01); G02B 27/4205 (2013.01); G02B 27/646 (2013.01); G02B 15/145121 (2019.08); G03B 2205/0007 (2013.01);
Abstract

An imaging optical system of the present disclosure includes a first lens group having positive power, a second lens group having negative power, a third lens group having the positive power, and a succeeding lens group including one or more lens groups in order from an object side toward an image side. The third lens group includes a lens having the positive power and a lens having the positive power in order from the object side toward the image side, and includes a lens L3R1 having the positive power, a lens L3R2 having the positive power, and a lens L3R3 having the negative power in order from the image side toward the object side. The lens L3R2 and the lens L3R3 are bonded, the lens L3R1 moves to optically correct image blur, and at least a distance between the second lens group and the third lens group changes during zooming from a wide angle end to a telephoto end.


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