Invention Grant
- Patent Title: Zoom lens system
- Patent Title (中): 变焦镜头系统
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Application No.: US12127914Application Date: 2008-05-28
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Publication No.: US07804652B2Publication Date: 2010-09-28
- Inventor: Masakazu Saori
- Applicant: Masakazu Saori
- Applicant Address: JP Tokyo
- Assignee: Hoya Corporation
- Current Assignee: Hoya Corporation
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein P.L.C.
- Priority: JP2007-143070 20070530
- Main IPC: G02B15/14
- IPC: G02B15/14
Abstract:
A zoom lens system includes a positive first lens group, a negative second lens group, and a rear lens group which is provided on the image side of the negative second lens group, and has a combined positive refractive power, in this order from the object; and the zoom lens system satisfies the following conditions: 5.0
Public/Granted literature
- US20080297913A1 ZOOM LENS SYSTEM Public/Granted day:2008-12-04
Information query
