Invention Grant
US07903344B2 Zoom lens, optical apparatus equipped with the zoom lens and method for forming an image of an object and varying a focal length
有权
变焦镜头，配备有变焦镜头的光学装置以及用于形成物体的图像并改变焦距的方法
- Patent Title: Zoom lens, optical apparatus equipped with the zoom lens and method for forming an image of an object and varying a focal length
- Patent Title (中): 变焦镜头，配备有变焦镜头的光学装置以及用于形成物体的图像并改变焦距的方法
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Application No.: US12235719Application Date: 2008-09-23
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Publication No.: US07903344B2Publication Date: 2011-03-08
- Inventor: Toshinori Take
- Applicant: Toshinori Take
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Miles & Stockbridge P.C.
- Priority: JPP2007-257607 20071001
- Main IPC: G02B15/14
- IPC: G02B15/14
Abstract:
A zoom lens comprises a plurality of lens groups arranged along an optical axis in order from an object side, wherein a lens group closest to an image among the plurality of lens groups has a front lens group, and a rear lens group arranged with an air space on an image side of the front lens group, and wherein the lens group closest to the image is stationary with respect to an image plane, upon zooming from a wide-angle end state to a telephoto end state.
Public/Granted literature
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