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:
Feb. 06, 2018
Filed:
Mar. 18, 2016
Applicant:
Olympus Corporation, Tokyo, JP;
Inventor:
Yasuji Ogata, Akiruno, JP;
Assignee:
Olympus Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/12 (2006.01); G03B 17/14 (2006.01); G02B 7/02 (2006.01); G02B 27/00 (2006.01); G03B 17/56 (2006.01);
U.S. Cl.
CPC ...
G02B 9/12 (2013.01); G02B 7/021 (2013.01); G02B 27/0018 (2013.01); G02B 27/0025 (2013.01); G03B 17/14 (2013.01); G03B 17/565 (2013.01);
Abstract
The present disclosure is directed to a converter lens device that includes a first mount to which a master lens device is capable of being attached, a second mount to which a camera body is capable of being attached and a converter lens having a negative refractive power, wherein, an optical system comprising the converter lens device and the master lens device has a focal length longer than a focal length of an optical system of the master lens device, the converter lens comprises sequentially from an object side, a first lens unit of a positive refractive power, a second lens unit of a negative refractive power, and a third lens unit.