公开(公告)号：US20060291070A1

公开(公告)日：2006-12-28

申请号：US11235623

申请日：2005-09-26

申请人： Mamoru Terada ,  Toru Nakatani

发明人： Mamoru Terada ,  Toru Nakatani

IPC分类号： G02B15/14

CPC分类号： G02B15/173

摘要： A variable magnification optical system for forming an optical image of an object on a light-receiving surface of an image sensor with variable magnification includes: from the object side, at least a first lens unit having a positive optical power, a second lens unit having a negative optical power, a third lens unit having a positive optical power, and a fourth lens unit having a positive optical power. In magnification variation from the wide angle end to the telephoto end, at least the first lens unit moves. Conditional formulae (1) and (2) below are fulfilled: (1) 6.0

摘要翻译： 一种用于在可变放大率的图像传感器的光接收表面上形成物体的光学图像的可变放大倍率光学系统包括：从物体侧至少具有正光焦度的第一透镜单元，具有 负光焦度，具有正光焦度的第三透镜单元和具有正光焦度的第四透镜单元。 在从广角端到望远端的放大率变化中，至少第一透镜单元移动。 满足以下条件式（1）和（2）：（1）6.0 ，其中fl表示第一透镜单元的焦距 fw表示广角端的整个系统的焦距，NdΛ表示包括在第二透镜单元中的所有透镜元件中的d线的平均折射率。

公开(公告)号：US20060132928A1

公开(公告)日：2006-06-22

申请号：US11102051

申请日：2005-04-08

申请人： Toru Nakatani ,  Mamoru Terada ,  Kenshi Nabeta

发明人： Toru Nakatani ,  Mamoru Terada ,  Kenshi Nabeta

IPC分类号： G02B15/14

CPC分类号： G02B15/173

摘要： The present invention provides a compact, high-performance, and easy-to-manufacture taking optical system that offers an extremely high zoom ratio. The taking optical system includes, from the subject side, a first lens group having a positive optical power, a second lens group having a negative optical power, a third lens group having a positive optical power, and a fourth lens group having a positive optical power. The taking optical system achieves zooming by the movements of the first to fourth lens groups and focusing by the movement of the fourth lens group. The taking optical system fulfills the following conditions: 0.05≦f3/f4≦0.95 and 7.0≦f1/fw≦20.0, where f1, f3, and f4 represent the focal lengths of the first, third, and fourth lens groups, respectively, and fw represents the focal length of the entire taking optical system at the wide-angle end thereof.

摘要翻译： 本发明提供了一种紧凑，高性能，易于制造的拍摄光学系统，其提供了非常高的变焦比。 拍摄光学系统包括从被摄体侧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，以及具有正光学功能的第四透镜组 功率。 拍摄光学系统通过第一至第四透镜组的运动实现变焦，并通过第四透镜组的移动进行聚焦。 拍摄光学系统满足以下条件：0.05 <= f 3 / f 4 <= 0.95和7.0 <= f 1 /fw<=20.0，其中f 1，f 3和f 4表示第一， 第三透镜组和第四透镜组，fw表示整个拍摄光学系统在其广角端的焦距。

公开(公告)号：US07339748B2

公开(公告)日：2008-03-04

申请号：US11235623

申请日：2005-09-26

申请人： Mamoru Terada ,  Toru Nakatani

发明人： Mamoru Terada ,  Toru Nakatani

IPC分类号： G02B15/14

CPC分类号： G02B15/173

摘要： A variable magnification optical system for forming an optical image of an object on a light-receiving surface of an image sensor with variable magnification includes: from the object side, at least a first lens unit having a positive optical power, a second lens unit having a negative optical power, a third lens unit having a positive optical power, and a fourth lens unit having a positive optical power. In magnification variation from the wide angle end to the telephoto end, at least the first lens unit moves. Conditional formulae (1) and (2) below are fulfilled: (1) 6.0

摘要翻译： 一种用于在可变放大率的图像传感器的光接收表面上形成物体的光学图像的可变放大倍数光学系统包括：从物体侧至少具有正光焦度的第一透镜单元，具有 负光焦度，具有正光焦度的第三透镜单元和具有正光焦度的第四透镜单元。 在从广角端到望远端的放大率变化中，至少第一透镜单元移动。 满足以下条件式（1）和（2）：（1）6.0 ，其中fl表示第一透镜单元的焦距 fw表示广角端的整个系统的焦距，NdΛ表示包括在第二透镜单元中的所有透镜元件中的d线的平均折射率。

公开(公告)号：US07336426B2

公开(公告)日：2008-02-26

申请号：US11726008

申请日：2007-03-20

申请人： Toru Nakatani ,  Mamoru Terada

发明人： Toru Nakatani ,  Mamoru Terada

IPC分类号： G02B15/14 ,  G02B27/64

CPC分类号： G02B15/173 ,  G02B27/646

摘要： An image pickup optical system according to the present invention is provided for forming a light flux from an object into an optical image on an image pickup element. The image pickup optical system includes: a first lens group having a positive power; a second lens group having a negative power; a third lens group having a positive power; a fourth lens group having a negative power; and a fifth lens group. A distance between each neighboring lens groups changes with the fourth lens group statically positioned, for varying power of the image pickup optical system. The fourth lens group moves in a direction substantially perpendicular to an optical axis for shake compensation. The image pickup optical system fulfills the predetermined conditional formulas according to focal lengths of the first and fourth lens groups.

摘要翻译： 提供根据本发明的图像拾取光学系统，用于将从物体形成的光束形成图像拾取元件上的光学图像。 摄像光学系统包括：具有正功率的第一透镜组; 具有负功率的第二透镜组; 具有正功率的第三透镜组; 具有负电力的第四透镜组; 和第五透镜组。 每个相邻透镜组之间的距离随着第四透镜组静态定位而变化，用于改变摄像光学系统的功率。 第四透镜组在基本上垂直于光轴的方向上移动以进行抖动补偿。 摄像光学系统根据第一和第四透镜组的焦距实现预定的条件公式。

公开(公告)号：US20070229985A1

公开(公告)日：2007-10-04

申请号：US11725295

申请日：2007-03-19

申请人： Toru Nakatani ,  Mamoru Terada

发明人： Toru Nakatani ,  Mamoru Terada

IPC分类号： G02B9/34

CPC分类号： G02B15/173 ,  G02B27/646

摘要： An image pickup optical system according to the present invention includes: a first lens group having a positive power; a second lens group having a negative power; a third lens group having a positive power; and a fourth lens group having a positive power which consists of a front group with a negative power and a rear group with a positive power. The first lens group moves to the object side and a distance between each neighboring lens groups changes, for varying power of the image pickup optical system. One group of the front group and the rear group in the fourth lens group consists of one lens which moves substantially perpendicular to an optical axis for a shake compensation. The image pickup optical system fulfills the predetermined conditional formula according to a focal length of the first lens group.

摘要翻译： 根据本发明的摄像光学系统包括：具有正功率的第一透镜组; 具有负功率的第二透镜组; 具有正功率的第三透镜组; 以及具有正功率的第四透镜组，其由具有负功率的前组和具有正功率的后组组成。 第一透镜组移动到物体侧，并且每个相邻透镜组之间的距离改变，用于改变摄像光学系统的功率。 第四透镜组中的一组前组和后组由一个基本垂直于光轴移动的透镜组成，用于抖动补偿。 摄像光学系统根据第一透镜组的焦距实现预定的条件公式。

公开(公告)号：US07206137B2

公开(公告)日：2007-04-17

申请号：US11102051

申请日：2005-04-08

申请人： Toru Nakatani ,  Mamoru Terada ,  Kenshi Nabeta

发明人： Toru Nakatani ,  Mamoru Terada ,  Kenshi Nabeta

IPC分类号： G02B15/14

CPC分类号： G02B15/173

摘要： The present invention provides a compact, high-performance, and easy-to-manufacture taking optical system that offers an extremely high zoom ratio. The taking optical system includes, from the subject side, a first lens group having a positive optical power, a second lens group having a negative optical power, a third lens group having a positive optical power, and a fourth lens group having a positive optical power. The taking optical system achieves zooming by the movements of the first to fourth lens groups and focusing by the movement of the fourth lens group. The taking optical system fulfills the following conditions: 0.05≦f3/f4≦0.95 and 7.0≦f1/fw≦20.0, where f1, f3, and f4 represent the focal lengths of the first, third, and fourth lens groups, respectively, and fw represents the focal length of the entire taking optical system at the wide-angle end thereof.

摘要翻译： 本发明提供了一种紧凑，高性能，易于制造的拍摄光学系统，其提供了非常高的变焦比。 拍摄光学系统包括从被摄体侧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，以及具有正光学功能的第四透镜组 功率。 拍摄光学系统通过第一至第四透镜组的运动实现变焦，并通过第四透镜组的移动进行聚焦。 拍摄光学系统满足以下条件：0.05 <= f 3 / f 4 <= 0.95和7.0 <= f 1 /fw<=20.0，其中f 1，f 3和f 4表示第一， 第三透镜组和第四透镜组，fw表示整个拍摄光学系统在其广角端的焦距。

公开(公告)号：US07489451B2

公开(公告)日：2009-02-10

申请号：US11319872

申请日：2005-12-27

申请人： Mamoru Terada ,  Kenshi Nabeta ,  Toru Nakatani

发明人： Mamoru Terada ,  Kenshi Nabeta ,  Toru Nakatani

IPC分类号： G02B15/14 ,  G03B17/00

CPC分类号： G02B15/173

摘要： A taking lens system is provided with, from the side of the object to be photographed, a first lens unit (G1) having positive optical power, a second lens unit (G2) having negative optical power, a third lens unit (G3) having positive optical power and a fourth lens unit (G4) having positive optical power. Zooming is performed by moving the first to fourth lens units (G1) to (G4), and focusing is performed by moving the fourth lens unit (G4). When the distance from the most object-to-be-photographed side surface (r1) of the first lens unit (G1) to the imaging surface at the wide angle end is TLw, the overall focal length of the taking lens system at the telephoto end is ft, the overall focal length of the taking lens system at the wide angle end is fw, and the focal length of the first lens unit (G1) is fl, relationships 0.5≦TLw/ft≦1.0 and 6.0≦fl/fw≦20.0 are satisfied.

摘要翻译： 拍摄镜头系统从被摄体的一侧设置有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），具有负光学功率的第三透镜单元（G3），具有 正光学功率和具有正光焦度的第四透镜单元（G4）。 通过将第一至第四透镜单元（G1）移动到（G4）进行变焦，并且通过移动第四透镜单元（G4）来进行聚焦。 当从第一透镜单元（G1）的最被摄体侧面（r1）到广角端的成像面的距离为TLw时，长焦摄影镜头系统的整体焦距 在广角端的拍摄镜头系统的整体焦距为fw，第一透镜单元（G1）的焦距为fl，关系式0.5 <= TLw / ft <= 1.0，6.0 <= fl / fw <= 20.0。

公开(公告)号：US07417801B2

公开(公告)日：2008-08-26

申请号：US11725295

申请日：2007-03-19

申请人： Toru Nakatani ,  Mamoru Terada

发明人： Toru Nakatani ,  Mamoru Terada

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/646

摘要： An image pickup optical system according to the present invention includes: a first lens group having a positive power; a second lens group having a negative power; a third lens group having a positive power; and a fourth lens group having a positive power which consists of a front group with a negative power and a rear group with a positive power. The first lens group moves to the object side and a distance between each neighboring lens groups changes, for varying power of the image pickup optical system. One group of the front group and the rear group in the fourth lens group consists of one lens which moves substantially perpendicular to an optical axis for a shake compensation. The image pickup optical system fulfills the predetermined conditional formula according to a focal length of the first lens group.

摘要翻译： 根据本发明的摄像光学系统包括：具有正功率的第一透镜组; 具有负功率的第二透镜组; 具有正功率的第三透镜组; 以及具有正功率的第四透镜组，其由具有负功率的前组和具有正功率的后组组成。 第一透镜组移动到物体侧，并且每个相邻透镜组之间的距离改变，用于改变摄像光学系统的功率。 第四透镜组中的一组前组和后组由一个基本垂直于光轴移动的透镜组成，用于抖动补偿。 摄像光学系统根据第一透镜组的焦距实现预定的条件公式。

公开(公告)号：US20070229966A1

公开(公告)日：2007-10-04

申请号：US11726008

申请日：2007-03-20

申请人： Toru Nakatani ,  Mamoru Terada

发明人： Toru Nakatani ,  Mamoru Terada

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/646

摘要： An image pickup optical system according to the present invention is provided for forming a light flux from an object into an optical image on an image pickup element. The image pickup optical system includes: a first lens group having a positive power; a second lens group having a negative power; a third lens group having a positive power; a fourth lens group having a negative power; and a fifth lens group. A distance between each neighboring lens groups changes with the fourth lens group statically positioned, for varying power of the image pickup optical system. The fourth lens group moves in a direction substantially perpendicular to an optical axis for shake compensation. The image pickup optical system fulfills the predetermined conditional formulas according to focal lengths of the first and fourth lens groups.

摘要翻译： 提供根据本发明的图像拾取光学系统，用于将从物体形成的光束形成图像拾取元件上的光学图像。 摄像光学系统包括：具有正功率的第一透镜组; 具有负功率的第二透镜组; 具有正功率的第三透镜组; 具有负电力的第四透镜组; 和第五透镜组。 每个相邻透镜组之间的距离随着第四透镜组静态定位而变化，用于改变摄像光学系统的功率。 第四透镜组在基本上垂直于光轴的方向上移动以进行抖动补偿。 摄像光学系统根据第一和第四透镜组的焦距实现预定的条件公式。

公开(公告)号：US20060140606A1

公开(公告)日：2006-06-29

申请号：US11319872

申请日：2005-12-27

申请人： Mamoru Terada ,  Kenshi Nabeta ,  Toru Nakatani

发明人： Mamoru Terada ,  Kenshi Nabeta ,  Toru Nakatani

IPC分类号： G03B17/00

CPC分类号： G02B15/173

摘要： A taking lens system is provided with, from the side of the object to be photographed, a first lens unit (G1) having positive optical power, a second lens unit (G2) having negative optical power, a third lens unit (G3) having positive optical power and a fourth lens unit (G4) having positive optical power. Zooming is performed by moving the first to fourth lens units (G1) to (G4), and focusing is performed by moving the fourth lens unit (G4). When the distance from the most object-to-be-photographed side surface (r1) of the first lens unit (G1) to the imaging surface at the wide angle end is TLw, the overall focal length of the taking lens system at the telephoto end is ft, the overall focal length of the taking lens system at the wide angle end is fw, and the focal length of the first lens unit (G5) is fl, relationships 0.5≦TLw/ft≦1.0 and 6.0≦fl/fw≦20.0 are satisfied.

摘要翻译： 摄影镜头系统从被摄体的侧面设置具有正光焦度的第一透镜单元（G 1），具有负光焦度的第二透镜单元（G 2），第三透镜​​单元（G 3）和具有正光焦度的第四透镜单元（G 4）。 通过将第一至第四透镜单元（G 1）移动到（G 4）来执行变焦，并且通过移动第四透镜单元（G 4）来进行聚焦。 当从第一透镜单元（G 1）的最被摄体侧面（r 1）到广角端的成像面的距离为TLw时，摄影镜头系统的整体焦距为 长焦端为ft，广角端的拍摄镜头系统的整体焦距为fw，第一镜头单元（G 5）的焦距为fl，关系为0.5 <= TLw / ft <= 1.0， 6.0 <= fl / fw <= 20.0。