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发明名称
内視鏡用変倍光学系及び内視鏡
摘要
像側に凹面を向けた負レンズ、物体側に凹面を向けた正メニスカスレンズを少なくとも有する負のパワーを持つ第一のレンズ群、物体側に凸面を向けたメニスカスレンズ、負レンズと正レンズとを接合した接合レンズを少なくとも有する正のパワーを持つ第二のレンズ群、物体側に凸面を向けた正レンズを少なくとも有する第三のレンズ群からなるからなる内視鏡用変倍光学系を所定の条件を満たすように構成する。
申请公布号
JP6046322(B1)
申请公布日期
2016.12.14
申请号
JP20160558153
申请日期
2016.02.23
申请人
HOYA株式会社
发明人
那須 幸子;藤井 宏明
分类号
G02B15/16;A61B1/00;G02B15/14;G02B23/26
主分类号
G02B15/16
代理机构
代理人
主权项
地址
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