公开(公告)号：EP2993509A4

公开(公告)日：2016-10-12

申请号：EP14791085

申请日：2014-04-14

申请人： OLYMPUS CORP

发明人： SUZUKI YOSHIMASA ,  KAJITANI KAZUO

IPC分类号： G02B21/08 ,  G02B13/22 ,  G02B21/14

CPC分类号： G02B21/12 ,  G02B5/005 ,  G02B13/22 ,  G02B21/02 ,  G02B21/086 ,  G02B21/14 ,  G02B21/367

摘要： A sample observation device includes an illumination optical system and an observation optical system, and the illumination optical system includes a light source, a condenser lens and an aperture member, and the observation optical system includes an objective lens and an imaging lens, and the aperture member has a light-shielding part or a darkening part and a transmission part, and the aperture member is disposed so that the light-shielding part or the darkening part includes an optical axis of the illumination optical system, and an image of an inner edge of the transmission part is formed inside of an outer edge of the pupil of the objective lens, and an image of an outer edge of the transmission part is formed outside of the outer edge of the pupil of the objective lens.