Fixed focus lens
    1.
    发明授权
    Fixed focus lens 有权
    定焦镜头

    公开(公告)号:US08848291B2

    公开(公告)日:2014-09-30

    申请号:US13345916

    申请日:2012-01-09

    Inventor: Nobuyuki Adachi

    CPC classification number: G02B13/18 G02B9/34 G02B9/64 G02B27/646

    Abstract: A fixed focus lens includes an M group that is disposed at a center of the optical system and has a positive refractive power; an F group that is disposed farther on the image plane side than the M group, has a negative refractive power, and is moved along the optical axis during focusing; a V group that is disposed farther on the object side than the M group, has a negative refractive index, and is moved in a direction orthogonal to the optical axis during vibration control; and an FC group that is disposed farther on the object side than the V group and has a positive refractive power. The V group is configured by a single lens element, and during focusing, at least the FC group and the M group are fixed.

    Abstract translation: 固定聚焦透镜包括设置在光学系统的中心并具有正折射光焦度的M组; 配置在比M组更远的图像平面侧的F组具有负折光力,并且在聚焦期间沿着光轴移动; 在物体侧比M组更远的V组具有负折射率,并且在振动控制期间沿与光轴正交的方向移动; 以及比V组更远地放置在物体侧并具有正折射光焦度的FC组。 V组由单个透镜元件配置,并且在聚焦期间,至少FC组和M组是固定的。

    FIXED FOCUS LENS
    2.
    发明申请
    FIXED FOCUS LENS 有权
    固定聚焦镜头

    公开(公告)号:US20120229900A1

    公开(公告)日:2012-09-13

    申请号:US13345916

    申请日:2012-01-09

    Inventor: Nobuyuki ADACHI

    CPC classification number: G02B13/18 G02B9/34 G02B9/64 G02B27/646

    Abstract: A fixed focus lens includes an M group that is disposed at a center of the optical system and has a positive refractive power; an F group that is disposed farther on the image plane side than the M group, has a negative refractive power, and is moved along the optical axis during focusing; a V group that is disposed farther on the object side than the M group, has a negative refractive index, and is moved in a direction orthogonal to the optical axis during vibration control; and an FC group that is disposed farther on the object side than the V group and has a positive refractive power. The V group is configured by a single lens element, and during focusing, at least the FC group and the M group are fixed.

    Abstract translation: 固定聚焦透镜包括设置在光学系统的中心并具有正折射光焦度的M组; 配置在比M组更远的图像平面侧的F组具有负折光力,并且在聚焦期间沿着光轴移动; 在物体侧比M组更远的V组具有负折射率,并且在振动控制期间沿与光轴正交的方向移动; 以及比V组更远地放置在物体侧并具有正折射光焦度的FC组。 V组由单个透镜元件配置,并且在聚焦期间,至少FC组和M组是固定的。

    Zoom Lens System, Interchangeable Lens Apparatus, and Camera System
    3.
    发明申请
    Zoom Lens System, Interchangeable Lens Apparatus, and Camera System 审中-公开
    变焦镜头系统,可互换镜头设备和相机系统

    公开(公告)号:US20120154525A1

    公开(公告)日:2012-06-21

    申请号:US13393538

    申请日:2011-02-01

    CPC classification number: G02B15/173 G02B13/18 G03B17/14

    Abstract: A compact and lightweight zoom lens system having excellent imaging performance, which is favorably applicable to an interchangeable-lens type digital camera system, is provided. The zoom lens system of the present invention includes, in order from an object side to an image side, a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having negative optical power, a fourth lens unit having positive optical power and including at least one resin lens, and an aperture diaphragm arranged in the fourth lens unit. In zooming from a wide-angle limit to a telephoto limit, an interval between the third lens unit and the fourth lens unit monotonically decreases. Further, the following condition (1) is satisfied: 1.0

    Abstract translation: 提供了一种具有优异的成像性能的紧凑且轻便的变焦透镜系统,其有利地适用于可互换镜头型数字照相机系统。 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,第四透镜单元 具有正光焦度并且包括至少一个树脂透镜的透镜单元和布置在第四透镜单元中的孔径光阑。 在从广角限制到远摄极限的放大中,第三透镜​​单元与第四透镜单元之间的间隔单调减小。 此外,满足以下条件(1):1.0

    Zoom lens system, interchangeable lens apparatus and camera system
    4.
    发明授权
    Zoom lens system, interchangeable lens apparatus and camera system 有权
    变焦镜头系统,可互换镜头设备和相机系统

    公开(公告)号:US08130453B2

    公开(公告)日:2012-03-06

    申请号:US12694689

    申请日:2010-01-27

    CPC classification number: G02B15/17

    Abstract: 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, all lens units moves in a direction along the optical axis such that intervals among respective lens units varies. Further, at the time of zooming, the third lens unit G3 moves in the direction along the optical axis such that the interval between the second lens unit G2 and the third lens unit G3 is made longer at a telephoto limit than the interval at a wide-angle limit. Still further, condition (6): −1.6

    Abstract translation: 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,所有透镜单元沿着光轴移动,使得各透镜单元之间的间隔变化。 此外,在变焦时,第三透镜​​单元G3沿着光轴方向移动,使得第二透镜单元G2和第三透镜单元G3之间的间隔在远摄极限处比在宽的间隔更长 角度限制 另外,条件(6):-1.6

    ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM
    5.
    发明申请
    ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM 有权
    变焦镜头系统,可互换镜头设备和摄像机系统

    公开(公告)号:US20120008036A1

    公开(公告)日:2012-01-12

    申请号:US13180560

    申请日:2011-07-12

    CPC classification number: G02B15/177

    Abstract: A zoom lens system comprising: a first lens unit having negative optical power; a second lens unit; and at least one subsequent lens unit, wherein in zooming, the first lens unit moves along an optical axis, and at least an interval between the second lens unit and a lens unit which is one of the at least one subsequent lens unit varies, in focusing, an interval between the first lens unit and the second lens unit varies, at least one aspheric surface is included in the at least one subsequent lens unit, and the condition: 0.1

    Abstract translation: 一种变焦透镜系统,包括:具有负光焦度的第一透镜单元; 第二透镜单元; 以及至少一个随后的透镜单元,其中,在变焦中,所述第一透镜单元沿着光轴移动,并且所述第二透镜单元与作为所述至少一个后续透镜单元之一的透镜单元之间的至少间隔在 在第一透镜单元和第二透镜单元之间的间隔变化时,至少一个后续透镜单元中包括至少一个非球面,并且条件为:0.1

    Zoom lens system, imaging device and camera
    6.
    发明授权
    Zoom lens system, imaging device and camera 有权
    变焦镜头系统,成像设备和相机

    公开(公告)号:US08014079B2

    公开(公告)日:2011-09-06

    申请号:US12829529

    申请日:2010-07-02

    CPC classification number: G02B15/173

    Abstract: A zoom lens system, in order from an object side to an image side, comprising a first lens unit of positive power, a second lens unit of negative power, a third lens unit of positive power, and a fourth lens unit of positive power, wherein in zooming, the first to the fourth lens units are moved along the optical axis such that the air spaces between the individual lens units should vary, so that magnification change is achieved, and wherein the conditions: −0.60

    Abstract translation: 变焦透镜系统,从物体侧到像侧依次包括正功率的第一透镜单元,负功率的第二透镜单元,正光焦度的第三透镜单元和正光焦度的第四透镜单元, 其中,在变焦中,第一至第四透镜单元沿着光轴移动,使得各个透镜单元之间的空气间隔应变化,从而实现放大率变化,并且其中条件:-0.60

    Zoom lens system, interchangeable lens apparatus and camera system
    7.
    发明授权
    Zoom lens system, interchangeable lens apparatus and camera system 有权
    变焦镜头系统,可互换镜头设备和相机系统

    公开(公告)号:US07796344B2

    公开(公告)日:2010-09-14

    申请号:US12416600

    申请日:2009-04-01

    CPC classification number: G02B15/161

    Abstract: 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 the at least two subsequent lens units include a lens unit A and a lens unit B arranged on the image side relative to the lens unit A, at the time of zooming, all lens units move in a direction along the optical axis so that intervals between the lens units vary, at the time of focusing, the lens unit A moves in a direction along the optical axis, and the following condition is satisfied. 0.10 4, ωW

    Abstract translation: 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,其中所述至少两个后续透镜单元包括透镜单元A和布置在相对于透镜单元A的图像侧的透镜单元B,在变焦时,所有透镜单元在 沿着光轴的方向使得透镜单元之间的间隔在聚焦时变化,透镜单元A沿着光轴方向移动,并且满足以下条件。 0.10 <| fBAK / fF | /(fT / fW)<15.0(这里,fT / fW> 4,ωW<20°

    ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM
    8.
    发明申请
    ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM 有权
    变焦镜头系统,可互换镜头设备和摄像机系统

    公开(公告)号:US20100195218A1

    公开(公告)日:2010-08-05

    申请号:US12694689

    申请日:2010-01-27

    CPC classification number: G02B15/17

    Abstract: 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, all lens units moves in a direction along the optical axis such that intervals among respective lens units varies. Further, at the time of zooming, the third lens unit G3 moves in the direction along the optical axis such that the interval between the second lens unit G2 and the third lens unit G3 is made longer at a telephoto limit than the interval at a wide-angle limit. Still further, condition (6): −1.6

    Abstract translation: 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,所有透镜单元沿着光轴移动,使得各透镜单元之间的间隔变化。 此外,在变焦时,第三透镜​​单元G3沿着光轴方向移动,使得第二透镜单元G2和第三透镜单元G3之间的间隔在远摄极限处比在宽的间隔更长 角度限制 另外,条件(6):-1.6

    Zoom lens and imaging pickup
    9.
    发明授权
    Zoom lens and imaging pickup 有权
    变焦镜头和成像拾音

    公开(公告)号:US07209298B2

    公开(公告)日:2007-04-24

    申请号:US11505830

    申请日:2006-08-18

    CPC classification number: G02B15/177

    Abstract: A zoom lens having a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power arranged in the order from an object side, wherein the first lens group includes a negative lens and a positive lens having at least one aspherical surface arranged from the object side and satisfies the following condition: 0.4

    Abstract translation: 具有负屈光力的第一透镜组的变焦透镜,具有正折光力的第二透镜组和具有从物体侧开始顺序排列的正折光力的第三透镜组,其中第一透镜组包括: 负透镜和具有从物体侧排列的至少一个非球面的正透镜,并且满足以下条件:0.4

    Zoom lens and imaging device
    10.
    发明授权
    Zoom lens and imaging device 有权
    变焦镜头和成像装置

    公开(公告)号:US07177091B2

    公开(公告)日:2007-02-13

    申请号:US11212875

    申请日:2005-08-29

    CPC classification number: G02B15/177

    Abstract: Disclosed is a zoom lens having a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power arranged in the mentioned order from an object side, wherein the first lens group includes a negative lens and a positive lens having at least one aspherical surface arranged in the mentioned order from the object side and satisfies a following inequality (1): 0.4

    Abstract translation: 公开了具有负屈光力的第一透镜组,具有正屈光力的第二透镜组的变焦透镜和从物体侧按照上述顺序布置的具有正折光力的第三透镜组,其中第一透镜 组包括负透镜和正透镜,其具有从物体侧按照上述顺序布置的至少一个非球面,并且满足以下不等式(1):<?in-line-formula description =“In-line formula”end = “lead”?> 0.4 其中D1表示第一透镜组内的距离 最靠近物体的透镜表面和最靠近图像的透镜表面,fw表示与变焦透镜设置在广角位置的焦距。

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