Invention Grant
- Patent Title: Wide converter lens
- Patent Title (中): 宽转换镜头
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Application No.: US12874310Application Date: 2010-09-02
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Publication No.: US08743468B2Publication Date: 2014-06-03
- Inventor: Jin-woo Kim
- Applicant: Jin-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: KR10-2009-0097439 20091013
- Main IPC: G02B15/02
- IPC: G02B15/02 ; G02B13/04

Abstract:
A wide converter lens that is disposed on an object side of a main lens and changes the viewing angle, wherein the wide converter lens includes: a first lens having a negative refractive power, a second lens having a negative refractive power, and a third lens having a positive refractive power, wherein the first lens, the second lens, and the third lens are sequentially ordered from the object side to the image side, and the wide converter lens satisfies the following inequality: 2vd≧50 where 2vd is an Abbe number of the second lens.
Public/Granted literature
- US20110085245A1 WIDE CONVERTER LENS Public/Granted day:2011-04-14
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