OBSERVATION OPTICAL SYSTEM UNIT OF ENDOSCOPE AND ENDOSCOPE

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专利权人:

オリンパス株式会社

发明人:

松澤 洋彦,綿谷 祐一

申请号：

JP2015096679

公开号：

JP6437878B2

申请日:

2015.05.11

申请国别(地区):

JP

年份:

2018

代理人:

摘要：

PROBLEM TO BE SOLVED: To provide an observation optical system unit for endoscopes allowing a user or the like to appropriately acquire a size of an observation object in magnification observation.SOLUTION: The observation optical system unit comprises: an observation optical system that includes a tip-end stationary lens 51a capable of coming into contact with an observation site of a subject, and enabling focus at a depth of field including the tip-end stationary lens 51a on a cellular level for magnification observation； and a graduation 70 provided at a tip end face of the tip-end stationary lens 51a so as to locate within the depth of field in the magnification observation for indicating a real scale of the observation site.SELECTED DRAWING: Figure 4

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中国工程科技知识中心

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http://www.ckcest.cn/home/