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:
Dec. 06, 2022
Filed:
May. 28, 2020
Nikon Corporation, Tokyo, JP;
Atsushi Shibayama, Tokyo, JP;
Nikon Corporation, Tokyo, JP;
Abstract
A variable magnification optical system includes, in order from an object: a first lens group (G) having a negative refractive power; a second lens group (G); a third lens group (G); a fourth lens group (G) having a negative refractive power; and a fifth lens group (G) having a positive refractive power, the system performing varying magnification by changing the distance between the first and second lens groups, the distance between the second and third lens groups, the distance between the third and fourth lens groups, and the distance between the fourth and fifth lens groups, and the fourth lens group including a 42nd lens group (G) configured to be movable so as to have a component in a direction orthogonal to an optical axis and a 41st lens group (G) disposed at an object-side of the 42nd lens group.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile