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    • 1. 发明授权
    • Zoom lens system and imaging apparatus
    • 变焦镜头系统和成像设备
    • US09529181B2
    • 2016-12-27
    • US14051154
    • 2013-10-10
    • Kazuhiro OeJeffrey Alan Gohman
    • Kazuhiro OeJeffrey Alan Gohman
    • G02B15/177G02B13/00
    • G02B15/161G02B13/0095G02B15/177
    • A zoom lens system includes: a primary image forming lens group that forms light from an object side into an intermediate image and a relay lens group that forms light from the intermediate image into a final image. The primary image forming lens group includes, in order from the object side, a first fixed lens group G1 with negative refractive power, a stop St, and a second fixed lens group G2 with positive refractive power, and the relay lens group includes, in order from the object side, a third fixed lens group G3 with negative refractive power, a first moving lens group G4 with positive refractive power, and a second moving lens group G5 with positive refractive power.
    • 变焦透镜系统包括:从物体侧将光形成中间图像的原始图像形成透镜组以及从中间图像形成光到最终图像的中继透镜组。 初级图像形成透镜组从物体侧依次包括具有负折光力的第一固定透镜组G1,具有正折光力的第二固定透镜组G2,中继透镜组包括: 具有负屈光力的第三固定透镜组G3,正折光力的第一移动透镜组G4和具有正折光力的第二移动透镜组G5。
    • 2. 发明申请
    • LENS SYSTEM
    • 镜头系统
    • US20110102906A1
    • 2011-05-05
    • US12913386
    • 2010-10-27
    • Kazuhiro Oe
    • Kazuhiro Oe
    • G02B15/14
    • G02B15/173
    • A lens system includes, in order from an object side, a first lens group with positive refractive power, a second lens group with negative refractive power that moves during zooming, a third lens group with positive refractive power, and a fourth lens group with positive refractive power that moves during zooming and focusing adjustments. The first lens group includes a lens with positive refractive power and an Abbe number vd1x that satisfies a following condition (vd1x>80). The second lens group includes a lens with positive refractive power and an Abbe number vd2x and two lenses with negative refractive power and Abbe numbers vd2y and vd2z respectively, the Abbe numbers Vd2x, Vd2y and Vd2z satisfying following conditions (vd2x, vd2y, vd2z
    • 透镜系统从物体侧依次包括具有正折光力的第一透镜组,具有在变焦期间移动的负折射力的第二透镜组,具有正折光力的第三透镜组和具有正折射力的第四透镜组 在变焦和聚焦调整期间移动的屈光力。 第一透镜组包括具有正屈光力的透镜和满足以下条件(vd1x> 80)的阿贝数vd1x。 第二透镜组包括分别具有正屈光力的透镜和阿贝数vd2x以及两个具有负屈光力的透镜和阿贝数vd2y和vd2z,满足以下条件的所述阿贝数Vd2x,Vd2y和Vd2z满足以下条件(vd2x,vd2y,vd2z <23 )。 第三透镜组包括具有正折光力的多个透镜,具有正折光力的多个透镜的阿贝数的平均vd3a满足以下条件(77.5
    • 3. 发明申请
    • ZOOM LENS SYSTEM AND IMAGING APPARATUS
    • 变焦镜头系统和成像设备
    • US20150103403A1
    • 2015-04-16
    • US14051154
    • 2013-10-10
    • Kazuhiro OeJeffrey Alan Gohman
    • Kazuhiro OeJeffrey Alan Gohman
    • G02B15/177
    • G02B15/161G02B13/0095G02B15/177
    • A zoom lens system includes: a primary image forming lens group that forms light from an object side into an intermediate image and a relay lens group that forms light from the intermediate image into a final image. The primary image forming lens group includes, in order from the object side, a first fixed lens group G1 with negative refractive power, a stop St, and a second fixed lens group G2 with positive refractive power, and the relay lens group includes, in order from the object side, a third fixed lens group G3 with negative refractive power, a first moving lens group G4 with positive refractive power, and a second moving lens group G5 with positive refractive power.
    • 变焦透镜系统包括:从物体侧将光形成中间图像的原始图像形成透镜组以及从中间图像形成光到最终图像的中继透镜组。 初级图像形成透镜组从物体侧依次包括具有负折光力的第一固定透镜组G1,具有正折光力的第二固定透镜组G2,中继透镜组包括: 具有负屈光力的第三固定透镜组G3,正折光力的第一移动透镜组G4和具有正折光力的第二移动透镜组G5。
    • 4. 发明授权
    • Lens system
    • 镜头系统
    • US08279538B2
    • 2012-10-02
    • US12913386
    • 2010-10-27
    • Kazuhiro Oe
    • Kazuhiro Oe
    • G02B9/34
    • G02B15/173
    • A lens system includes, in order from an object side, a first lens group with positive refractive power, a second lens group with negative refractive power that moves during zooming, a third lens group with positive refractive power, and a fourth lens group with positive refractive power that moves during zooming and focusing adjustments. The first lens group includes a lens with positive refractive power and an Abbe number vd1x that satisfies a following condition (vd1x>80). The second lens group includes a lens with positive refractive power and an Abbe number vd2x and two lenses with negative refractive power and Abbe numbers vd2y and vd2z respectively, the Abbe numbers Vd2x, Vd2y and Vd2z satisfying following conditions (vd2x, vd2y, vd2z
    • 透镜系统从物体侧依次包括具有正折光力的第一透镜组,具有在变焦期间移动的负折射力的第二透镜组,具有正折光力的第三透镜组和具有正折射力的第四透镜组 在变焦和聚焦调整期间移动的屈光力。 第一透镜组包括具有正屈光力的透镜和满足以下条件(vd1x> 80)的阿贝数vd1x。 第二透镜组包括分别具有正屈光力的透镜和阿贝数vd2x以及两个具有负屈光力的透镜和阿贝数vd2y和vd2z,满足以下条件的所述阿贝数Vd2x,Vd2y和Vd2z满足以下条件(vd2x,vd2y,vd2z <23 )。 第三透镜组包括具有正折光力的多个透镜,具有正折光力的多个透镜的阿贝数的平均vd3a满足以下条件(77.5