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:
Jun. 12, 2012
Filed:
Feb. 26, 2010
Makoto Fujimoto, Tokyo, JP;
Makoto Fujimoto, Tokyo, JP;
Nikon Corporation, Tokyo, JP;
Abstract
An imaging lens SL installed in an SLR camera includes a front group disposed to the most object side and having negative power, and a rear group disposed to an image side of the front group and having negative power. At least a portion of the rear group is movable perpendicularly to an optical axis. The rear group includes a first negative component having negative power, a second negative component having negative power, and a positive component having positive power. The second negative component is disposed between the first negative component and the positive component. The second negative component side surface of the first negative component faces the second negative component, and the second negative component having a negative meniscus shape with a concave surface facing the first negative component. Thereby providing an imaging lens having excellent optical performance, an optical apparatus equipped therewith, and a method for manufacturing thereof.