Invention Grant
- Patent Title: Compact zoom lens
- Patent Title (中): 紧凑型变焦镜头
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Application No.: US13084645Application Date: 2011-04-12
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Publication No.: US08547646B2Publication Date: 2013-10-01
- Inventor: Dong-woo Kim
- Applicant: Dong-woo Kim
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: Drinker Biddle & Reath LLP
- Priority: KR10-2010-0087664 20100907
- Main IPC: G02B15/14
- IPC: G02B15/14

Abstract:
A zoom lens includes, in a sequence from an object side to an image side, a first lens group having a negative refractive power and comprising two lenses; a second lens group having a positive refractive power; a stop disposed on the image side of the second lens group; and a third lens group having a positive refractive power, wherein: during zooming from a wide angle position to a telephoto position, an interval between the first lens group and the second lens group decreases, and an interval between the second lens group and the third lens group increases.
Public/Granted literature
- US20120057248A1 COMPACT ZOOM LENS Public/Granted day:2012-03-08
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