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:
May. 11, 2021
Filed:
Dec. 13, 2016
Applicant:
Olympus Corporation, Hachioji, JP;
Inventors:
Yo Furuya, Kamiina, JP;
Keisuke Ichikawa, Tokyo, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 21/02 (2006.01);
U.S. Cl.
CPC ...
G02B 21/02 (2013.01);
Abstract
A microscope objective includes three groups that are in a positive-negative-positive configuration. The first lens group includes a plurality of cemented lenses, and includes, closest to the object, a meniscus lens having its concave surface on the object side. The second lens group includes a first meniscus lens component having its concave surface on the image side and a second meniscus lens component having its concave surface on the object side. At least one of the lens components of the third lens group is a cemented lens.