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公开(公告)号：US08144237B2
公开(公告)日：2012-03-27
申请号：US12694326
申请日：2010-01-27
申请人： Yu Inomoto , Ryuji Ohmuro
发明人： Yu Inomoto , Ryuji Ohmuro
CPC分类号： H04N5/23209 , G02B27/108 , G02B27/144 , G02B27/16 , H04N5/2254 , H04N5/23212
摘要： An image pickup optical system including: a first prism including: a first incident surface where subject beam enters; a division surface for dividing the beam from the first incident surface into image-pickup beam and focus-detection beam; and a first exit surface from which reflection beam reflected on the division surface, the image-pickup beam or the focus-detection beam, exits; and a second prism including: a second incident surface on which transmission beam passing through the division surface, the image-pickup beam or focus-detection beam, enters; and a second exit surface from which the transmission beam exits, wherein the reflection beam is reflected on the division surface, reflected on the first incident surface, and reflected on the division surface to reach the first exit surface, and satisfying 0.1
摘要翻译： 一种摄像光学系统，包括：第一棱镜，包括：被摄体光束进入的第一入射表面; 用于将来自第一入射表面的光束分成图像拾取光束和聚焦检测光束的分割表面; 以及从分割面反射的反射光束，摄像光束或聚焦检测光束出射的第一出射面; 以及第二棱镜，包括：第二入射表面，穿过所述分割表面的透射光束，所述摄像束或聚焦检测光束进入所述第二入射表面; 以及第二出射面，透射光束从该出射面离开，其中反射光束在分割面上反射，在第一入射面上反射，并在分割面上反射到达第一出射面，满足0.1
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公开(公告)号：US20100194968A1
公开(公告)日：2010-08-05
申请号：US12694326
申请日：2010-01-27
申请人： Yu Inomoto , Ryuji Ohmuro
发明人： Yu Inomoto , Ryuji Ohmuro
IPC分类号： H04N5/232
CPC分类号： H04N5/23209 , G02B27/108 , G02B27/144 , G02B27/16 , H04N5/2254 , H04N5/23212
摘要： An image pickup optical system including: a first prism including: a first incident surface where subject beam enters; a division surface for dividing the beam from the first incident surface into image-pickup beam and focus-detection beam; and a first exit surface from which reflection beam reflected on the division surface, the image-pickup beam or the focus-detection beam, exits; and a second prism including: a second incident surface on which transmission beam passing through the division surface, the image-pickup beam or focus-detection beam, enters; and a second exit surface from which the transmission beam exits, wherein the reflection beam is reflected on the division surface, reflected on the first incident surface, and reflected on the division surface to reach the first exit surface, and satisfying 0.1
摘要翻译： 一种摄像光学系统，包括：第一棱镜，包括：被摄体光束进入的第一入射表面; 用于将来自第一入射表面的光束分成图像拾取光束和聚焦检测光束的分割表面; 以及从分割面反射的反射光束，摄像光束或聚焦检测光束出射的第一出射面; 以及第二棱镜，包括：第二入射表面，穿过所述分割表面的透射光束，所述摄像束或聚焦检测光束进入所述第二入射表面; 以及第二出射面，透射光束从该出射面离开，其中反射光束在分割面上反射，在第一入射面上反射，并在分割面上反射到达第一出射面，满足0.1
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公开(公告)号：US07885014B2
公开(公告)日：2011-02-08
申请号：US12726103
申请日：2010-03-17
申请人： Yu Inomoto , Shinichiro Yakita
发明人： Yu Inomoto , Shinichiro Yakita
IPC分类号： G02B15/14
CPC分类号： G02B27/0062 , G02B15/173
摘要： A zoom lens system including, in order from an object side to an image side: a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a negative refractive power; an aperture stop; and a fourth lens unit having a positive refractive power and including a front lens subunit and a rear lens subunit in which Abbe numbers of lenses in the rear lens subunit satisfy the following expression, 0.400
摘要翻译： 一种变焦透镜系统，包括从物体侧到像侧的顺序：具有正折光力的第一透镜单元; 具有负屈光力的第二透镜单元; 具有负屈光力的第三透镜单元; 孔径光阑; 以及具有正屈光力的第四透镜单元，其包括前透镜子单元和后透镜子单元，其中后透镜子单元中的阿贝数量满足以下表达式：0.400
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公开(公告)号：US20100238566A1
公开(公告)日：2010-09-23
申请号：US12726103
申请日：2010-03-17
申请人： Yu Inomoto , Shinichiro Yakita
发明人： Yu Inomoto , Shinichiro Yakita
IPC分类号： G02B15/14
CPC分类号： G02B27/0062 , G02B15/173
摘要： A zoom lens system including, in order from an object side to an image side: a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a negative refractive power; an aperture stop; and a fourth lens unit having a positive refractive power and including a front lens subunit and a rear lens subunit in which Abbe numbers of lenses in the rear lens subunit satisfy the following expression, 0.400
摘要翻译： 一种变焦透镜系统，包括从物体侧到像侧的顺序：具有正折光力的第一透镜单元; 具有负屈光力的第二透镜单元; 具有负屈光力的第三透镜单元; 孔径光阑; 以及具有正屈光力的第四透镜单元，包括前透镜子单元和后透镜子单元，其中后透镜子单元中的阿贝数量满足以下表达式：0.400
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