公开(公告)号：US08867146B2

公开(公告)日：2014-10-21

申请号：US13166654

申请日：2011-06-22

申请人： Toshinori Take

发明人： Toshinori Take

IPC分类号： G02B15/14 ,  G02B13/00 ,  G02B27/64

CPC分类号： G02B13/004 ,  G02B13/0045 ,  G02B13/006 ,  G02B27/646

摘要： The imaging lens includes, in order from an object side, a first lens group having positive refractive power; and a second lens group having the positive refractive power, the first lens group being fixed with respect to an image plane, the second lens group being moved toward the object side to adjust a focus on a close object, and a given conditional expression being satisfied, thereby disclosing a downsized imaging lens having a wide angle of view, capable of preferably correcting various aberrations upon focusing on a close object from an infinitely distant object and having high optical performance over an entire picture, an optical apparatus including the imaging lens and an imaging lens manufacturing method.

摘要翻译： 成像透镜从物体的顺序包括具有正折射光焦度的第一透镜组; 和具有正折光力的第二透镜组，第一透镜组相对于像平面固定，第二透镜组朝向物体侧移动以调焦近距离物体上的焦点，并且给定给定的条件表达式被满足 从而公开了具有广角视角的小型化成像透镜，能够优选在从无限远物体聚焦在紧密物体上并且在整个图像上具有高光学性能的情况下校正各种像差，包括成像透镜和 成像透镜制造方法。

公开(公告)号：US08503097B2

公开(公告)日：2013-08-06

申请号：US12788292

申请日：2010-05-26

申请人： Toshinori Take

发明人： Toshinori Take

IPC分类号： G02B15/14 ,  G02B15/22

CPC分类号： G02B15/163 ,  G02B15/14 ,  G02B15/167 ,  G02B15/173 ,  G02B15/20 ,  G02B27/646 ,  Y10T29/49004 ,  Y10T29/49826

摘要： A lens system having, in order from an object, at least a first lens group G1 having positive refractive power, and second to fourth lens groups G2 to G4, wherein the first lens group G1 includes a front portion lens group G1a, and a rear portion lens group G1b which is disposed to an image side of the front portion lens group G1a with an air distance therebetween, and performs focusing by shifting the rear portion lens group G1b in the optical axis direction, and the fourth lens group G4 includes, in order from the object, a negative lens and a positive lens (cemented negative lens L41), a negative lens L42, and an aperture stop S, and is fixed in the optical axis direction with respect to an image plane I upon zooming from a wide angle end state to a telephoto end state.

摘要翻译： 具有从物体起依次具有至少具有正折光力的第一透镜组G1和第二至第四透镜组G2至G4的透镜系统，其中第一透镜组G1包括前部透镜组G1a和后部透镜组 部分透镜组G1b，其设置在前部透镜组G1a的像侧，其间具有空气距离，并且通过使后部透镜组G1b沿光轴方向偏移来进行聚焦，并且第四透镜组G4包括在 来自物体的顺序，负透镜和正透镜（胶合负透镜L41），负透镜L42和孔径光阑S，并且在从宽广度变焦时相对于像平面I在光轴方向上被固定 角度端状态到远摄端状态。

公开(公告)号：US20120114325A1

公开(公告)日：2012-05-10

申请号：US13253621

申请日：2011-10-05

申请人： Toshinori Take ,  Masanori Hasuda ,  Noriyasu Kotani ,  Hideaki Hoshikawa

发明人： Toshinori Take ,  Masanori Hasuda ,  Noriyasu Kotani ,  Hideaki Hoshikawa

IPC分类号： G03B17/00 ,  B23P11/00

CPC分类号： H04N5/2254 ,  G02B7/14 ,  G02B13/00 ,  G02B15/173 ,  G02B15/177 ,  G02B27/646 ,  G03B17/14

摘要： A camera system having a predetermined image circle, comprises: an interchangeable lens having a lens mount portion; and a camera body having an image sensor that is disposed within that image circle, and a body mount portion, wherein, when a radius of circular portion at a maximum internal diameter part of an opening portion of the lens mount portion is termed rM, a flange back that is a distance from the lens mount portion to a light reception surface of an image sensor in a state that the interchangeable lens and the camera body are mutually engaged is termed da, and the diameter of the image circle is termed D, the following equations are satisfied: 14.0 mm≦2rM≦40.0 mm  Conditional Expression #1 16.0 mm≦da≦20.0 mm  Conditional Expression #2 14.0 mm≦D≦20.0 mm  Conditional Expression #3.

摘要翻译： 具有预定图像圆的相机系统包括：具有透镜安装部分的可互换透镜; 以及具有设置在所述图像圆内的图像传感器的相机机身和主体安装部，其中，当所述透镜安装部的开口部的最大内径部的圆形部的半径称为rM时， 在可互换透镜和照相机主体相互接合的状态下距离透镜安装部分到图像传感器的光接收表面的距离的凸缘背面称为da，并且图像圆的直径称为D， 满足以下等式：14.0 mm＆nlE; 2rM＆nlE; 40.0 mm条件表达式＃1 16.0 mm＆nlE; da＆nlE; 20.0 mm条件表达式＃2 14.0 mm＆nlE; D＆nlE; 20.0 mm条件表达式＃3。

公开(公告)号：US20110286108A1

公开(公告)日：2011-11-24

申请号：US13145944

申请日：2009-11-24

申请人： Toshinori Take

发明人： Toshinori Take

IPC分类号： G02B15/14

CPC分类号： G02B15/173

摘要： A zoom lens ZL installed in an electronic still camera 1 and the like includes, in order from an object side, 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, and a fourth lens group G4 having positive refractive power, a given conditional expressions are satisfied, where r3F denotes a radius of curvature of an image side lens surface of the cemented lens in the third lens group, and r3R denotes a radius of curvature of an object side lens surface of the negative meniscus lens in the third lens group, thereby providing a zoom lens having excellent optical performance, an optical apparatus equipped therewith, and a method for manufacturing the zoom lens.

摘要翻译： 安装在电子静态照相机1等中的变焦透镜ZL从物体侧依次包括具有正折光力的第一透镜组G1，具有负屈光力的第二透镜组G2，具有正折射力的第三透镜组G3 屈光力和具有正折射力的第四透镜组G4，满足给定条件表达式，其中r3F表示第三透镜组中胶合透镜的像侧透镜表面的曲率半径，r3R表示第三透镜组的半径 第三透镜组中的负弯月形透镜的物体侧透镜表面的曲率，从而提供具有优异光学性能的变焦透镜，配备有其的光学装置，以及用于制造变焦透镜的方法。

公开(公告)号：US20110116172A1

公开(公告)日：2011-05-19

申请号：US12917778

申请日：2010-11-02

申请人： Akira YAMAGAMI ,  Toshinori Take

发明人： Akira YAMAGAMI ,  Toshinori Take

IPC分类号： G02B15/20

CPC分类号： G02B15/177 ,  G02B27/646

摘要： An optical system includes, in order from an object side: a first lens group G1 having negative refractive power; and a second lens group G2 having positive refractive power; upon zooming from a wide-angle end state W to a telephoto end state T, a distance between the first lens group G1 and the second lens group G2 varying, and the second lens group G2 moving, and the second lens group G2 including a focusing lens group Gf that carries out focusing from an infinity object to a close object, and a decentering lens group Gs that is movable in a direction having a component perpendicular to an optical axis, thereby providing an optical system capable of establishing both of internal focusing and a decentering lens group with obtaining compactness and excellent optical performance, an optical apparatus equipped with the optical system, and a method for manufacturing the optical system.

摘要翻译： 光学系统从物体侧依次包括具有负屈光力的第一透镜组G1; 和具有正折射光焦度的第二透镜组G2; 在从广角端状态W变焦到望远端状态T时，第一透镜组G1和第二透镜组G2之间的距离变化，第二透镜组G2移动，第二透镜组G2包括聚焦 透镜组Gf，其从无穷远物体到近距离物体进行聚焦;以及偏心透镜组Gs，其可沿具有垂直于光轴的分量的方向移动，从而提供能够建立内部聚焦和 获得紧凑性和优异的光学性能的偏心透镜组，配备有光学系统的光学装置以及制造光学系统的方法。

公开(公告)号：US07889439B2

公开(公告)日：2011-02-15

申请号：US12277760

申请日：2008-11-25

申请人： Toshinori Take

发明人： Toshinori Take

IPC分类号： G02B15/14

CPC分类号： G02B15/173

摘要： A zoom lens system comprises, in order from an object, a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power. The first lens group has a first-a partial lens group and a first-b partial lens group arranged on an image side of the first-a partial lens group with an air space and is constructed such that the first-b partial lens group moves along an optical axis direction upon focusing from infinity to a close-range object. The third lens group is constituted by a third-a partial lens group having a positive refractive power and a third-b partial lens group having a negative refractive power arranged on the image side of the third-a partial lens group with an air space.

摘要翻译： 变焦透镜系统从物体依次包括具有正折光力的第一透镜组，具有负折光力的第二透镜组和具有正折光力的第三透镜组。 第一透镜组具有第一部分透镜组和布置在具有空气空间的第一部分透镜组的像侧上的第一部分透镜组，并且被构造成使得第一部分透镜组移动 沿着光轴方向从无穷远聚焦到近距离物体。 第三透镜组由具有正折光力的第三部分透镜组和具有负折射力的第三部分透镜组构成，该第三部分透镜组布置在具有空气空间的第三部分透镜组的像侧上。

公开(公告)号：US20090086334A1

公开(公告)日：2009-04-02

申请号：US12235691

申请日：2008-09-23

申请人： Toshinori TAKE

发明人： Toshinori TAKE

IPC分类号： G02B15/14 ,  G02B9/60

CPC分类号： G02B15/173

摘要： A zoom lens comprises the following lens groups in the order from an object side a first lens group having a positive refracting power; a second lens group having a negative refracting power; a third lens group having a positive refracting power; a fourth lens group having a positive refracting power; and a fifth lens group having a positive refracting power; wherein, upon zooming from a wide-angle end state to a telephoto end state, at least the first lens group and the fourth lens group move to the object side to vary a space between the first lens group and the second lens group, vary a space between the second lens group and the third lens group, vary a space between the third lens group and the fourth lens group, and vary a space between the fourth lens group and the fifth lens group; and wherein the fifth lens group comprises a front lens group, and a rear lens group arranged with an air space on an image side of the front lens group, and the fifth lens group is configured to move the front lens group in a direction of an optical axis to adjust focus to a close object.

摘要翻译： 变焦透镜包括从物体侧开始的具有正折射率的第一透镜组的后续透镜组; 具有负折射率的第二透镜组; 具有正折射率的第三透镜组; 具有正折射率的第四透镜组; 和具有正折射率的第五透镜组; 其中，在从广角端状态变焦到望远端状态时，至少第一透镜组和第四透镜组移动到物体侧以改变第一透镜组和第二透镜组之间的空间， 第二透镜组和第三透镜组之间的空间改变第三透镜组和第四透镜组之间的空间，并且改变第四透镜组和第五透镜组之间的空间; 并且其中所述第五透镜组包括前透镜组和在所述前透镜组的像侧上布置有空气空间的后透镜组，并且所述第五透镜组被配置为沿所述前透镜组的方向移动所述前透镜组， 光轴将焦点调整到近距离物体。

公开(公告)号：US07336425B2

公开(公告)日：2008-02-26

申请号：US11548954

申请日：2006-10-12

申请人： Akihiko Obama ,  Toshinori Take

发明人： Akihiko Obama ,  Toshinori Take

IPC分类号： G02B15/14

CPC分类号： G02B27/646 ,  G02B15/173

摘要： A zoom lens system includes, in order from an object, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens group having positive power, and a fifth lens group having positive power. Upon zooming from a wide-angle end state to a telephoto end state, the first and fifth lens groups moves with respect to the image plane, the second lens group moves at first to the image and then to the object, and the third and fourth lens groups move to the object such that a distance between the first and second lens groups increases, a distance between the second and third lens group decreases, a distance between the third and fourth lens groups decreases, and a distance between the fourth and fifth lens groups increases. Given conditional expressions are satisfied.

摘要翻译： 变焦透镜系统从物体起依次包括具有正光焦度的第一透镜组，具有负光焦度的第二透镜组，具有正光焦度的第三透镜组，具有正光焦度的第四透镜组，以及具有正光焦度的第五透镜组， 积极的力量 当从广角端状态变焦到长焦端状态时，第一透镜组和第五透镜组相对于像平面移动，第二透镜组首先移动到图像然后移动到对象，并且第三和第四透镜组 透镜组移动到物体，使得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，第三和第四透镜组之间的距离减小，并且第四和第五透镜之间的距离 团体增加。 给定条件表达式是满意的。

公开(公告)号：US20070070516A1

公开(公告)日：2007-03-29

申请号：US11548954

申请日：2006-10-12

申请人： Akihiko Obama ,  Toshinori Take

发明人： Akihiko Obama ,  Toshinori Take

IPC分类号： G02B15/14

CPC分类号： G02B27/646 ,  G02B15/173

摘要： A zoom lens system includes, in order from an object, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens group having positive power, and a fifth lens group having positive power. Upon zooming from a wide-angle end state to a telephoto end state, the first and fifth lens groups moves with respect to the image plane, the second lens group moves at first to the image and then to the object, and the third and fourth lens groups move to the object such that a distance between the first and second lens groups increases, a distance between the second and third lens group decreases, a distance between the third and fourth lens groups decreases, and a distance between the fourth and fifth lens groups increases. Given conditional expressions are satisfied.

公开(公告)号：US09001441B2

公开(公告)日：2015-04-07

申请号：US13095755

申请日：2011-04-27

申请人： Toshinori Take

发明人： Toshinori Take

IPC分类号： G02B9/04 ,  G02B13/00

CPC分类号： G02B27/646 ,  G02B9/60 ,  G02B13/0045 ,  G02B13/006 ,  G03B13/32

摘要： An imaging lens including, in order from an object side: a first lens group G1 having positive refractive power; and a second lens group G2 having positive refractive power, a position of the first lens group G1 being fixed with respect to an image plane, the second lens group G2 consisting of a plurality of lens components, and given conditional expression being satisfied, thereby providing a compact imaging lens imaging lens having a large aperture and a wide angle of view and excellent optical performance over entire image frame with excellently correcting various aberrations upon focusing on an infinity object to a close object.

摘要翻译： 一种成像透镜，包括从物体侧开始的顺序：具有正折射光焦度的第一透镜组G1; 和具有正折光力的第二透镜组G2，第一透镜组G1相对于像面固定的位置，第二透镜组G2由多个透镜部件组成，并且给出条件表达式，从而提供 一种紧凑的成像透镜成像透镜，其具有大的孔径和宽的视角，并且在整个图像帧上具有优异的光学性能，并且在将近距离物体聚焦在无限远物体上时能够极好地校正各种像差。