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
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