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专利名称:ENDOSCOPE OBJECTIVE LENS UNIT AND
ENDOSCOPE
发明人:Tsutomu Sasamoto申请号:US13314542申请日:20111208
公开号:US201201471A1公开日:20120614
专利附图:
摘要:An endoscope objective lens unit includes a front lens group and a rear lensgroup with a diaphragm interposed therebetween. The front lens group includes a firstlens and a second lens, and the rear lens group includes a third lens, a fourth lens and a
fifth lens. The endoscope objective lens unit satisfies following expressions (1A) to (4):(1A) −3
申请人:Tsutomu Sasamoto
地址:Tokyo JP
国籍:JP
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