公开(公告)号：US08144403B2

公开(公告)日：2012-03-27

申请号：US12139461

申请日：2008-06-14

申请人： Tomoki Ito ,  Takeshi Suzuki ,  Hiroshi Yamamoto

发明人： Tomoki Ito ,  Takeshi Suzuki ,  Hiroshi Yamamoto

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B27/646

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20090002844A1

公开(公告)日：2009-01-01

申请号：US12139461

申请日：2008-06-14

申请人： Tomoki Ito ,  Takeshi Suzuki ,  Hiroshi Yamamoto

发明人： Tomoki Ito ,  Takeshi Suzuki ,  Hiroshi Yamamoto

IPC分类号： G02B15/177

CPC分类号： G02B15/177 ,  G02B27/646

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07961409B2

公开(公告)日：2011-06-14

申请号：US12139464

申请日：2008-06-14

申请人： Hiroshi Yamamoto ,  Tomoki Ito ,  Takeshi Suzuki

发明人： Hiroshi Yamamoto ,  Tomoki Ito ,  Takeshi Suzuki

IPC分类号： G02B9/12

CPC分类号： G02B15/177 ,  G02B27/646

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20090002841A1

公开(公告)日：2009-01-01

申请号：US12139464

申请日：2008-06-14

申请人： Hiroshi Yamamoto ,  Tomoki Ito ,  Takeshi Suzuki

发明人： Hiroshi Yamamoto ,  Tomoki Ito ,  Takeshi Suzuki

IPC分类号： G02B15/177

CPC分类号： G02B15/177 ,  G02B27/646

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07253965B2

公开(公告)日：2007-08-07

申请号：US11237743

申请日：2005-09-29

申请人： Atsushi Shibayama ,  Takeshi Suzuki ,  Tomoki Ito

发明人： Atsushi Shibayama ,  Takeshi Suzuki ,  Tomoki Ito

IPC分类号： G02B15/14

CPC分类号： G02B27/646 ,  G02B15/173

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20060072213A1

公开(公告)日：2006-04-06

申请号：US11237743

申请日：2005-09-29

申请人： Atsushi Shibayama ,  Takeshi Suzuki ,  Tomoki Ito

发明人： Atsushi Shibayama ,  Takeshi Suzuki ,  Tomoki Ito

IPC分类号： G02B15/14

CPC分类号： G02B27/646 ,  G02B15/173

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07839577B2

公开(公告)日：2010-11-23

申请号：US12342315

申请日：2008-12-23

申请人： Hiroshi Yamamoto ,  Tomoki Ito ,  Satoshi Yamaguchi ,  Atsushi Shibayama

发明人： Hiroshi Yamamoto ,  Tomoki Ito ,  Satoshi Yamaguchi ,  Atsushi Shibayama

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/646

摘要： A zoom optical system has 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 negative refracting power; and a fifth lens group having a positive refracting power, in the order from the object side. The fourth lens group is composed of a cemented lens of a negative lens and a positive lens in the order from the object side, and a condition of the following expression is satisfied: νp>30.0, where νp is an Abbe number of the positive lens.

摘要翻译： 变焦光学系统具有正折射率的第一透镜组; 具有负折射率的第二透镜组; 具有正折射率的第三透镜组; 具有负折射力的第四透镜组; 以及从物体侧开始的顺序具有正折射率的第五透镜组。 第四透镜组由物镜侧的顺序由负透镜和正透镜的胶合透镜构成，满足以下条件：＆lt; ngr; p> 30.0，其中＆ngr; p是阿贝数 的正透镜。

公开(公告)号：US20090161227A1

公开(公告)日：2009-06-25

申请号：US12342315

申请日：2008-12-23

申请人： Hiroshi Yamamoto ,  Tomoki Ito ,  Satoshi Yamaguchi ,  Atsushi Shibayama

发明人： Hiroshi Yamamoto ,  Tomoki Ito ,  Satoshi Yamaguchi ,  Atsushi Shibayama

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/646

摘要： A zoom optical system has 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 negative refracting power; and a fifth lens group having a positive refracting power, in the order from the object side. The fourth lens group is composed of a cemented lens of a negative lens and a positive lens in the order from the object side, and a condition of the following expression is satisfied: vp>30.0, where vp is an Abbe number of the positive lens.

摘要翻译： 变焦光学系统具有正折射率的第一透镜组; 具有负折射率的第二透镜组; 具有正折射率的第三透镜组; 具有负折射力的第四透镜组; 以及从物体侧开始的顺序具有正折射率的第五透镜组。 第四透镜组由物镜侧的顺序由负透镜和正透镜的胶合透镜构成，满足以下条件：vp> 30.0，其中vp是正透镜的阿贝数 。

公开(公告)号：US08605362B2

公开(公告)日：2013-12-10

申请号：US13033681

申请日：2011-02-24

申请人： Tomoki Ito

发明人： Tomoki Ito

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/646

摘要： A zoom lens system includes, in order from an object side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; a fourth lens group having negative refractive power; and a fifth lens group having positive refractive power. Upon zooming from a wide-angle end state to a telephoto end state, a position of the first lens group is fixed. At least a portion of any one of the lens groups is moved in a direction including a component perpendicular to an optical axis, and a given conditional expression is satisfied, thereby providing a zoom lens system capable of excellently suppressing variation in aberrations upon zooming and upon correcting an image blur, an optical apparatus including the zoom lens system, and a method for manufacturing the zoom lens system.

摘要翻译： 变焦透镜系统从物体侧依次包括具有正折射光焦度的第一透镜组; 具有负屈光力的第二透镜组; 具有正折射力的第三透镜组; 具有负屈光力的第四透镜组; 以及具有正屈光力的第五透镜组。 当从广角端状态变焦到长焦端状态时，第一透镜组的位置是固定的。 任何一个透镜组的至少一部分在包括垂直于光轴的分量的方向上移动，并且满足给定的条件表达式，从而提供能够极好地抑制变焦和随后的像差变化的变焦透镜系统 校正图像模糊，包括变焦透镜系统的光学装置以及用于制造变焦透镜系统的方法。

公开(公告)号：US20110048818A1

公开(公告)日：2011-03-03

申请号：US12991306

申请日：2009-04-03

申请人： Hideaki Kobayashi ,  Tomoki Ito

发明人： Hideaki Kobayashi ,  Tomoki Ito

IPC分类号： B62D51/04 ,  A01B33/02 ,  A01B33/08 ,  B60K15/063

CPC分类号： B60K15/07 ,  A01B33/028 ,  A01B33/16 ,  B60Y2200/41 ,  F17C13/085 ,  F17C2205/0111 ,  F17C2205/0165 ,  F17C2221/035 ,  F17C2223/0153 ,  F17C2223/033 ,  F17C2270/0736

摘要： A walking-type working machine in which a gas-container housing section (cassette-type gas container) and a carry handle are mounted to a handle post. The walking-type working machine (10) is provided with a cassette-type gas container (21) mounted to a handle post (16), which rises upward and rearward from a rear section (11a) of a working machine body (11), so as to be oriented in the longitudinal direction of the handle post. A gas engine (21) is driven by fuel in the cassette-type gas container (21). The walking-type working machine is provided with a carry handle (22) for carrying the machine. The carry handle (22) is mounted to the handle post and is formed so as to surround the cassette-type gas container. The carry handle has a grip (45).

摘要翻译： 一种行走式作业机，其中将气体容器收纳部（盒式气体容器）和携带手柄安装在手柄柱上。 步行式加工机10具有安装在从工作机体11的后部11a上下升起的手柄16的盒式气体容器21， 以便在手柄柱的纵向方向上定向。 燃气发动机（21）由盒式气体容器（21）中的燃料驱动。 步行式工作机器设置有用于承载机器的便携手柄（22）。 携带把手（22）安装在手柄柱上并形成为围绕盒式气体容器。 手柄具有握把（45）。