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发明名称
Eyepiece lens system for endoscopes
摘要
An eyepiece lens system for endoscopes comprising a plurality of lens components and using at least one aspherical surface. This eyepiece lens system is composed of a small number of lens elements and has favorably corrected aberrations.
申请公布号
US5305147(A)
申请公布日期
1994.04.19
申请号
US19910747007
申请日期
1991.08.19
申请人
OLYMPUS OPTICAL CO., LTD.
发明人
HASEGAWA, AKIRA;IGARASHI, TSUTOMU;NAKAMURA, SHINICHI;NISHIOKA, KIMIHIKO
分类号
G02B23/24;G02B25/00;(IPC1-7):G02B9/10;G02B9/14
主分类号
G02B23/24
代理机构
代理人
主权项
地址
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