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    • 4. 发明授权
    • Zoom lens system, interchangeable lens apparatus and camera system
    • 变焦镜头系统,可互换镜头设备和相机系统
    • US08068281B2
    • 2011-11-29
    • US12416691
    • 2009-04-01
    • Nobuyuki AdachiTsuneo Uchida
    • Nobuyuki AdachiTsuneo Uchida
    • G02B27/64G02B15/14
    • G02B15/161G02B15/173
    • A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit. The zoom lens system according to the present invention, in order from an object side to an image side, comprises: a first lens unit having positive optical power; a second lens unit having negative optical power; and at least two subsequent lens units, wherein at the time of zooming, all lens units move in a direction along the optical axis so that intervals between the lens units vary, and at the time of focusing, a second most image-side lens unit moves in a direction along the optical axis.
    • 提供一种变焦透镜系统,其包括紧凑构造的聚焦透镜单元,并且在聚焦透镜单元移动时具有抑制的图像放大率的变化。 根据本发明的变焦透镜系统,从物体侧到像侧依次包括:具有正光焦度的第一透镜单元; 具有负光焦度的第二透镜单元; 以及至少两个随后的透镜单元,其中在变焦时,所有透镜单元沿着光轴移动,使得透镜单元之间的间隔变化,并且在聚焦时,第二最大像侧透镜单元 沿着光轴方向移动。
    • 6. 发明申请
    • ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM
    • 变焦镜头系统,可互换镜头设备和摄像机系统
    • US20100195207A1
    • 2010-08-05
    • US12695309
    • 2010-01-28
    • Tsuneo UchidaNobuyuki Adachi
    • Tsuneo UchidaNobuyuki Adachi
    • G02B27/64G02B15/14
    • G02B15/17G02B27/0037G02B27/4205
    • Provided is a zoom lens system including a compact focusing lens unit and having a suppressed change in image magnification at the time of movement of the focusing lens unit. The zoom lens system of the present invention, in order from an object side to an image side, includes a first lens unit G1 having positive optical power, a second lens unit G2 having negative optical power, a third lens unit G3 having negative optical power, and a fourth lens unit G4 having positive optical power. At the time of zooming, at least the first lens unit G1 moves from a wide-angle limit to a telephoto limit. The fourth lens unit G4 includes a first sub lens unit having positive optical power and a second sub lens unit having negative optical power, the second sub lens unit being arranged at the image side relative to the first sub lens unit. At the time of compensating image blur caused by vibration applied to the zoom lens system, the first sub lens unit or the second sub lens unit moves in a direction perpendicular to the optical axis.
    • 本发明提供一种变焦透镜系统,其包括小型聚焦透镜单元,并且在聚焦透镜单元移动时具有抑制的图像放大变化。 本发明的变焦透镜系统从物体侧到像侧依次包括具有正光焦度的第一透镜单元G1,具有负光焦度的第二透镜单元G2,具有负光焦度的第三透镜单元G3 ,以及具有正光焦度的第四透镜单元G4。 在变焦时,至少第一透镜单元G1从广角限制移动到远摄极限。 第四透镜单元G4包括具有正光焦度的第一子透镜单元和具有负光焦度的第二子透镜单元,第二子透镜单元相对于第一子透镜单元布置在像侧。 在补偿由于施加到变焦透镜系统的振动引起的图像模糊时,第一子透镜单元或第二子透镜单元在垂直于光轴的方向上移动。
    • 8. 发明授权
    • Zoom lens system, interchangeable lens apparatus and camera system
    • 变焦镜头系统,可互换镜头设备和相机系统
    • US08379309B2
    • 2013-02-19
    • US13229777
    • 2011-09-12
    • Tsuneo UchidaKoji Hoshi
    • Tsuneo UchidaKoji Hoshi
    • G02B27/64G02B15/14
    • G02B15/163G02B27/646
    • A zoom lens system comprising a positive first lens unit, a positive second lens unit, and at least two subsequent lens units, wherein the first lens unit moves along an optical axis at the time of zooming, an interval between the second lens unit and one of the at least two subsequent lens units varies at the time of zooming or focusing, the first lens unit is composed of at least three lens elements, each of the first lens unit and the second lens unit includes at least one negative lens element, and the conditions: 0.008
    • 一种变焦透镜系统,包括正的第一透镜单元,正的第二透镜单元和至少两个随后的透镜单元,其中第一透镜单元在变焦时沿着光轴移动,第二透镜单元和第二透镜单元之间的间隔 所述至少两个随后的透镜单元在变焦或聚焦时变化,所述第一透镜单元由至少三个透镜元件构成,所述第一透镜单元和所述第二透镜单元中的每一个包括至少一个负透镜元件,以及 条件:0.008 <(1 / vdMIN) - (1 / vdMAX)<0.028和0.1 <| m | /(fT-fW)<0.4(vdMIN和vdMAX:阿贝数到d线的最小值和最大值 构成第一透镜单元的每个透镜元件的m,m:变焦时每个后续透镜单元的移动量中的最大值,fT和fW:整个系统在远距离和广角处的焦距 限制)满足; 可互换镜头设备; 并提供相机系统。
    • 9. 发明授权
    • Zoom lens system, interchangeable lens apparatus and camera system
    • 变焦镜头系统,可互换镜头设备和相机系统
    • US08194317B2
    • 2012-06-05
    • US12416521
    • 2009-04-01
    • Nobuyuki AdachiTsuneo Uchida
    • Nobuyuki AdachiTsuneo Uchida
    • G02B27/64G02B15/14
    • G02B15/17G02B27/646
    • A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit. The zoom lens system according to the present invention, in order from an object side to an image side, comprises: a first lens unit having positive optical power; a second lens unit having negative optical power; a third lens unit having negative optical power; and at least one subsequent lens unit, wherein at the time of zooming, all lens units move in a direction along the optical axis so that intervals between the lens units vary, and at the time of focusing, a lens unit included in the at least one lens unit moves in a direction along the optical axis.
    • 提供一种变焦透镜系统,其包括紧凑构造的聚焦透镜单元,并且在聚焦透镜单元移动时具有抑制的图像放大率的变化。 根据本发明的变焦透镜系统,从物体侧到像侧依次包括:具有正光焦度的第一透镜单元; 具有负光焦度的第二透镜单元; 具有负光焦度的第三透镜单元; 以及至少一个随后的透镜单元,其中在变焦时,所有透镜单元沿着所述光轴移动,使得所述透镜单元之间的间隔变化,并且在聚焦时,至少包括所述透镜单元 一个透镜单元在沿着光轴的方向上移动。
    • 10. 发明申请
    • Zoom Lens System, Interchangeable Lens Apparatus and Camera System
    • 变焦镜头系统,可互换镜头设备和相机系统
    • US20120062994A1
    • 2012-03-15
    • US13229777
    • 2011-09-12
    • Tsuneo UchidaKoji Hoshi
    • Tsuneo UchidaKoji Hoshi
    • G02B15/14G02B27/64
    • G02B15/163G02B27/646
    • A zoom lens system comprising a positive first lens unit, a positive second lens unit, and at least two subsequent lens units, wherein the first lens unit moves along an optical axis at the time of zooming, an interval between the second lens unit and one of the at least two subsequent lens units varies at the time of zooming or focusing, the first lens unit is composed of at least three lens elements, each of the first lens unit and the second lens unit includes at least one negative lens element, and the conditions: 0.008
    • 一种变焦透镜系统,包括正的第一透镜单元,正的第二透镜单元和至少两个随后的透镜单元,其中第一透镜单元在变焦时沿着光轴移动,第二透镜单元和第二透镜单元之间的间隔 所述至少两个随后的透镜单元在变焦或聚焦时变化,所述第一透镜单元由至少三个透镜元件构成,所述第一透镜单元和所述第二透镜单元中的每一个包括至少一个负透镜元件,以及 条件:0.008 <(1 / vdMIN) - (1 / vdMAX)<0.028和0.1 <| m | /(fT-fW)<0.4(vdMIN和vdMAX:阿贝数到d线的最小值和最大值 构成第一透镜单元的每个透镜元件的m,m:变焦时每个后续透镜单元的移动量中的最大值,fT和fW:整个系统在远距离和广角处的焦距 限制)满足; 可互换镜头设备; 并提供相机系统。