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:
Oct. 10, 2023
Filed:
Aug. 23, 2021
Nikon Corporation, Tokyo, JP;
Masashi Yamashita, Tokyo, JP;
Nikon Corporation, Tokyo, JP;
Abstract
A compact zooming optical system, an optical apparatus and a method for manufacturing the zooming optical system having a vibration reduction function, a high zooming ratio, a wide-angle view and superb optical performance are provided, the system including, in order from an object side: a first lens group Ghaving positive refractive power; a second lens group Ghaving negative refractive power; a third lens group Ghaving positive refractive power; and a fourth lens group Ghaving negative refractive power; upon zooming from a wide-angle end state to a telephoto end state, a distance between the first lens group Gand the second lens group G, a distance between the second lens group Gand the third lens group Gand a distance between the third lens group Gand the fourth lens group Gbeing respectively varied; the third lens group Ghaving, in order from the object side, a first segment group Ghaving positive refractive power and a second segment group G; the second segment group Gbeing moved to have a component in a direction perpendicular to the optical axis; and predetermined conditional expressions being satisfied.