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    • 1. 发明授权
    • Zoom lens system, optical apparatus, and method for zooming
    • 变焦镜头系统,光学设备和缩放方法
    • US08144403B2
    • 2012-03-27
    • US12139461
    • 2008-06-14
    • Tomoki ItoTakeshi SuzukiHiroshi Yamamoto
    • Tomoki ItoTakeshi SuzukiHiroshi Yamamoto
    • G02B15/14
    • G02B15/177G02B27/646
    • Providing a zoom lens system having excellent optical performance, an optical apparatus, and a method for zooming the zoom lens system. The zoom lens system includes, in order from an object, a first lens group G1 having negative refractive power, a second lens group G2 having positive refractive power, and a third lens group G3 having negative refractive power. Upon zooming from a wide-angle end state W to a telephoto end state T, each distance between adjacent lens groups is varied. The first lens group G1 includes, in order from the object, a front group G1a, and a rear group G1b having negative refractive power. Focusing on the object is carried out by moving the rear group G1b along the optical axis.
    • 提供具有优异的光学性能的变焦透镜系统,光学装置和用于变焦变焦透镜系统的变焦方法。 变焦透镜系统从物体起依次包括具有负折光力的第一透镜组G1,具有正折光力的第二透镜组G2和具有负折光力的第三透镜组G3。 在从广角端状态W变焦到望远端状态T时,相邻透镜组之间的每个距离变化。 第一透镜组G1从物体依次包括具有负屈光力的前组G1a和后组G1b。 通过沿着光轴移动后组G1b来实现对象的聚焦。
    • 2. 发明申请
    • ZOOM LENS SYSTEM, OPTICAL APPARATUS, AND METHOD FOR ZOOMING
    • 变焦镜头系统,光学装置和变焦方法
    • US20090002844A1
    • 2009-01-01
    • US12139461
    • 2008-06-14
    • Tomoki ItoTakeshi SuzukiHiroshi Yamamoto
    • Tomoki ItoTakeshi SuzukiHiroshi Yamamoto
    • G02B15/177
    • G02B15/177G02B27/646
    • Providing a zoom lens system having excellent optical performance, an optical apparatus, and a method for zooming the zoom lens system. The zoom lens system includes, in order from an object, a first lens group G1 having negative refractive power, a second lens group G2 having positive refractive power, and a third lens group G3 having negative refractive power. Upon zooming from a wide-angle end state W to a telephoto end state T, each distance between adjacent lens groups is varied. The first lens group G1 includes, in order from the object, a front group G1a, and a rear group G1b having negative refractive power. Focusing on the object is carried out by moving the rear group G1b along the optical axis.
    • 提供具有优异的光学性能的变焦透镜系统,光学装置和用于变焦变焦透镜系统的变焦方法。 变焦透镜系统从物体起依次包括具有负折光力的第一透镜组G1,具有正折光力的第二透镜组G2和具有负折光力的第三透镜组G3。 在从广角端状态W变焦到望远端状态T时,相邻透镜组之间的每个距离变化。 第一透镜组G1从物体依次包括具有负屈光力的前组G1a和后组G1b。 通过沿着光轴移动后组G1b来实现对象的聚焦。
    • 3. 发明授权
    • Zoom lens system, optical apparatus, and method for zooming
    • 变焦镜头系统,光学设备和缩放方法
    • US07961409B2
    • 2011-06-14
    • US12139464
    • 2008-06-14
    • Hiroshi YamamotoTomoki ItoTakeshi Suzuki
    • Hiroshi YamamotoTomoki ItoTakeshi Suzuki
    • G02B9/12
    • G02B15/177G02B27/646
    • Providing a zoom lens system having excellent optical performance, an optical apparatus, and a method for zooming the zoom lens system. The zoom lens system includes, in order from an object, a first lens group G1 having negative refractive power, a second lens group G2 having positive refractive power, and a third lens group G3 having negative refractive power. Upon zooming from a wide-angle end state W to a telephoto end state T, each distance between adjacent lens groups is varied. The second lens group G2 includes, in order from the object, a front group G2a having positive refractive power, and a rear group G2b. Focusing on the object is carried out by moving the front group G2a along an optical axis. Given conditional expressions are satisfied.
    • 提供具有优异的光学性能的变焦透镜系统,光学装置和用于变焦变焦透镜系统的变焦方法。 变焦透镜系统从物体起依次包括具有负折光力的第一透镜组G1,具有正折光力的第二透镜组G2和具有负折光力的第三透镜组G3。 在从广角端状态W变焦到望远端状态T时,相邻透镜组之间的每个距离变化。 第二透镜组G2从物体起依次包括具有正屈光力的前组G2a和后组G2b。 通过沿着光轴移动前组G2a来实现对象的聚焦。 给定条件表达式是满意的。
    • 4. 发明申请
    • ZOOM LENS SYSTEM, OPTICAL APPARATUS, AND METHOD FOR ZOOMING
    • 变焦镜头系统,光学装置和变焦方法
    • US20090002841A1
    • 2009-01-01
    • US12139464
    • 2008-06-14
    • Hiroshi YamamotoTomoki ItoTakeshi Suzuki
    • Hiroshi YamamotoTomoki ItoTakeshi Suzuki
    • G02B15/177
    • G02B15/177G02B27/646
    • Providing a zoom lens system having excellent optical performance, an optical apparatus, and a method for zooming the zoom lens system. The zoom lens system includes, in order from an object, a first lens group G1 having negative refractive power, a second lens group G2 having positive refractive power, and a third lens group G3 having negative refractive power. Upon zooming from a wide-angle end state W to a telephoto end state T, each distance between adjacent lens groups is varied. The second lens group G2 includes, in order from the object, a front group G2a having positive refractive power, and a rear group G2b. Focusing on the object is carried out by moving the front group G2a along an optical axis. Given conditional expressions are satisfied.
    • 提供具有优异的光学性能的变焦透镜系统,光学装置和用于变焦变焦透镜系统的变焦方法。 变焦透镜系统从物体起依次包括具有负折光力的第一透镜组G1,具有正折光力的第二透镜组G2和具有负折光力的第三透镜组G3。 在从广角端状态W变焦到望远端状态T时,相邻透镜组之间的每个距离变化。 第二透镜组G2从物体起依次包括具有正屈光力的前组G2a和后组G2b。 通过沿着光轴移动前组G2a来实现对象的聚焦。 给定条件表达式是满意的。
    • 5. 发明申请
    • Zoom lens system with vibration reduction
    • 变焦镜头系统减震
    • US20060072213A1
    • 2006-04-06
    • US11237743
    • 2005-09-29
    • Atsushi ShibayamaTakeshi SuzukiTomoki Ito
    • Atsushi ShibayamaTakeshi SuzukiTomoki Ito
    • G02B15/14
    • G02B27/646G02B15/173
    • To provide a zoom lens system with a vibration reduction having a long back focal length suitable for a digital SLR camera, a high zoom ratio, and a wide angle of view of 70° or more. The system includes, in order from the object, a first positive lens group, a second negative lens group, a third positive lens group, and a fourth positive lens group. Upon zooming from wide-angle end state to telephoto end state, a distance between the first and second lens groups increases, a distance between the second and third lens groups decreases, and a distance between the third and fourth lens groups varies. The third lens group is composed of a positive front lens group and a negative rear lens group. Image plane correction upon camera shake can be performed by shifting only the rear lens group substantially perpendicularly to the optical axis. Given conditions are satisfied.
    • 为了提供具有适合于数字单反相机的长后焦距的减振的变焦透镜系统,高变焦比和70°以上的宽视角。 该系统从物体起依次包括第一正透镜组,第二负透镜组,第三正透镜组和第四正透镜组。 当从广角端状态变焦到远摄端状态时,第一和第二透镜组之间的距离增加,第二和第三透镜组之间的距离减小,并且第三和第四透镜组之间的距离变化。 第三透镜组由正前透镜组和负后透镜组组成。 可以通过基本垂直于光轴移动后透镜组来执行相机抖动时的图像平面校正。 给定条件满意。
    • 6. 发明授权
    • Zoom lens system with vibration reduction
    • 变焦镜头系统减震
    • US07253965B2
    • 2007-08-07
    • US11237743
    • 2005-09-29
    • Atsushi ShibayamaTakeshi SuzukiTomoki Ito
    • Atsushi ShibayamaTakeshi SuzukiTomoki Ito
    • G02B15/14
    • G02B27/646G02B15/173
    • To provide a zoom lens system with a vibration reduction having a long back focal length suitable for a digital SLR camera, a high zoom ratio, and a wide angle of view of 70° or more. The system includes, in order from the object, a first positive lens group, a second negative lens group, a third positive lens group, and a fourth positive lens group. Upon zooming from wide-angle end state to telephoto end state, a distance between the first and second lens groups increases, a distance between the second and third lens groups decreases, and a distance between the third and fourth lens groups varies. The third lens group is composed of a positive front lens group and a negative rear lens group. Image plane correction upon camera shake can be performed by shifting only the rear lens group substantially perpendicularly to the optical axis. Given conditions are satisfied.
    • 为了提供具有适合于数字单反相机的长后焦距的减振的变焦透镜系统,高变焦比和70°以上的宽视角。 该系统从物体起依次包括第一正透镜组,第二负透镜组,第三正透镜组和第四正透镜组。 当从广角端状态变焦到远摄端状态时,第一和第二透镜组之间的距离增加,第二和第三透镜组之间的距离减小,并且第三和第四透镜组之间的距离变化。 第三透镜组由正前透镜组和负后透镜组组成。 可以通过基本垂直于光轴移动后透镜组来执行相机抖动时的图像平面校正。 给定条件满意。
    • 7. 发明授权
    • Zoom lens, optical apparatus having same, and method of manufacturing zoom lens
    • 变焦镜头,具有其的光学装置以及制造变焦镜头的方法
    • US08736968B2
    • 2014-05-27
    • US13056538
    • 2009-07-27
    • Haruo SatoTakeshi SuzukiSatoshi MiwaHiroshi Yamamoto
    • Haruo SatoTakeshi SuzukiSatoshi MiwaHiroshi Yamamoto
    • G02B15/14G02B27/64
    • G03B5/00G02B15/173G02B27/646G03B3/10G03B13/34
    • The present invention relates to a zoom lens which can shift images using a movable optical system so as to have components orthogonal to the optical axis, and can correct hand motion blur, and minimizes the deterioration of performance while attempting higher variable power. This zoom lens has, in order from an object, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, a third lens group G3 having positive refractive power, a fourth lens group G4 having negative refractive power, and a fifth lens group G5 having positive refractive power, and at least a part of the fourth lens group G4 can move so as to have components orthogonal to the optical axis, and a distance between each lens group is changed upon zooming from a wide-angle end state to a telephoto end state, and the following conditional expression is satisfied, 0.01
    • 变焦镜头技术领域本发明涉及一种变焦镜头,其可以使用可移动光学系统移动图像以使得具有与光轴正交的分量,并且可以校正手动模糊,并且在尝试更高的可变功率的同时最小化性能的劣化。 该变焦透镜从物体起依次具有具有正折光力的第一透镜组G1,具有负折光力的第二透镜组G2,具有正折光力的第三透镜组G3,具有负折光力的第四透镜组G4 以及具有正折射力的第五透镜组G5,并且第四透镜组G4的至少一部分可以移动以具有与光轴正交的分量,并且每个透镜组之间的距离在从宽的变焦 并且满足以下条件表达式:0.01