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Title:
【発明の名称】内視鏡対物レンズ
Document Type and Number:
Japanese Patent JP2697822
Kind Code:
B2
Abstract:
A compact objective lens system for endoscopes designed for a field angle smaller than 40 DEG , having favorable corrected aberrations and comprising a plural number of lens components, the first lens component arranged on the extreme object side out of said plural number of lens components having positive refractive power.

Inventors:
Kanamori
Application Number:
JP12585987A
Publication Date:
January 14, 1998
Filing Date:
May 25, 1987
Export Citation:
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Assignee:
Olympus Optical Co., Ltd.
International Classes:
G02B23/26; G02B9/34; G02B9/60; G02B13/18; G02B15/04; G02B23/24; (IPC1-7): G02B9/34; G02B9/60; G02B13/18; G02B23/26
Domestic Patent References:
JP58193512A



 
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