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:
Nov. 26, 2019
Filed:
Jun. 24, 2017
Applicant:
Nikon Corporation, Minato-ku, Tokyo, JP;
Inventor:
Miho Matsumoto, Tokyo, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/60 (2006.01); G02B 13/02 (2006.01); G02B 13/18 (2006.01); G02B 5/126 (2006.01); G02B 13/00 (2006.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
G02B 13/02 (2013.01); G02B 5/126 (2013.01); G02B 13/0045 (2013.01); G02B 13/18 (2013.01); G02B 13/0015 (2013.01); H04N 5/232 (2013.01);
Abstract
An imaging lens (PL) has an image surface (I) curved to have a concave surface facing an object and comprises, in order from the object along the optical axis (Ax): a first lens (L) having positive refractive power; a second lens (L) having negative refractive power; a third lens (L) having positive refractive power; a fourth lens (L) having positive or negative refractive power; and a fifth lens (L) having at least one lens surface formed as an aspherical surface and having negative refractive power. The following conditional expression is satisfied:0.005<4|<0.5