LARGE-FIELD-OF-VIEW LENS SYSTEM FOR CAPSULE ENDOSCOPE AND CAPSULE ENDOSCOPE HAVING LARGE-FIELD-OF-VIEW LENS SYSTEM

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专利权人:

OMNIVISION TECHNOLOGIES INC.

发明人:

CHENG, Ting-Yu,鄭婷予

申请号：

HK14108921.1

公开号：

HK1195468B

申请日:

2014.09.02

申请国别(地区):

HK

年份:

2016

代理人:

摘要：

A lens system and a for a capsule endoscope includes a first lens having a concave aspheric surface having a radius R2 and a second lens having a convex aspheric surface having a radius R3 facing the first lens. A third lens has a convex aspheric surface having radius R6. The lens system satisfies the following conditions: (1) R2/Gap>1 and ABS(R3/R2)>1.28 (2) 1

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中国工程科技知识中心

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