公开(公告)号：US20100172031A1

公开(公告)日：2010-07-08

申请号：US12652235

申请日：2010-01-05

申请人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

发明人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/646

摘要： 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 the first lens unit is composed of three or fewer lens elements, wherein the second lens unit is composed of three lens elements, wherein in zooming, the first to the fourth lens units are moved individually along an optical axis such that air spaces should vary, so that variable magnification is achieved, and wherein the conditions are satisfied: 2.00≦D/fW≦4.68, ωW≧35 and fT/fW≧10 (D is a total of an optical axial thickness of each lens unit, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system respectively at a telephoto limit and at a wide-angle limit), an imaging device and a camera are provided.

摘要翻译： 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， 其中所述第一透镜单元由三个或更少的透镜元件组成，其中所述第二透镜单元由三个透镜元件组成，其中在变焦中，所述第一至第四透镜单元沿着光轴单独移动，使得空气空间应当变化 ，从而实现可变放大倍数，其中条件满足：2.00＆nlE; D / fW＆nlE; 4.68，ωW≥35和fT /fW≥10（D是每个透镜单元的光学轴向厚度的总和，ωW是 广角范围内的半视角，fT和fW分别是在远摄极限和广角极限处的整个系统的焦距），提供成像装置和照相机。

公开(公告)号：US08000025B2

公开(公告)日：2011-08-16

申请号：US12652235

申请日：2010-01-05

申请人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

发明人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/646

摘要： 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 the first lens unit is composed of three or fewer lens elements, wherein the second lens unit is composed of three lens elements, wherein in zooming, the first to the fourth lens units are moved individually along an optical axis such that air spaces should vary, so that variable magnification is achieved, and wherein the conditions are satisfied: 2.00≦D/fW≦4.68, ωW≧35 and fT/fW≧10 (D is a total of an optical axial thickness of each lens unit, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system respectively at a telephoto limit and at a wide-angle limit), an imaging device and a camera are provided.

摘要翻译： 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， 其中所述第一透镜单元由三个或更少的透镜元件组成，其中所述第二透镜单元由三个透镜元件组成，其中在变焦中，所述第一至第四透镜单元沿着光轴单独移动，使得空气空间应当变化 ，从而实现可变放大倍数，其中条件满足：2.00＆nlE; D / fW＆nlE; 4.68，ωW≥35和fT /fW≥10（D是每个透镜单元的光学轴向厚度的总和，ωW是 广角范围内的半视角，fT和fW分别是在远摄极限和广角极限处的整个系统的焦距），提供成像装置和照相机。

公开(公告)号：US20100171850A1

公开(公告)日：2010-07-08

申请号：US12652407

申请日：2010-01-05

申请人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

发明人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

IPC分类号： H04N5/262 ,  G02B15/14

CPC分类号： G02B15/173 ,  G02B13/12

摘要： 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 the first lens unit is composed of three or fewer lens elements, wherein the second lens unit is composed of three lens elements, wherein in zooming, the first to the fourth lens units are moved individually along an optical axis such that air spaces should vary, so that variable magnification is achieved, and wherein the conditions are satisfied: 5.50≦fG1/fW≦7.92, ωW≧35 and fT/fW≧10 (fG1 is a composite focal length of the first lens unit, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system respectively at a telephoto limit and at a wide-angle limit), an imaging device and a camera are provided.

摘要翻译： 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， 其中所述第一透镜单元由三个或更少的透镜元件组成，其中所述第二透镜单元由三个透镜元件组成，其中在变焦中，所述第一至第四透镜单元沿着光轴单独移动，使得空气空间应当变化 ，从而实现可变放大倍率，其中满足条件：5.50＆nlE; fG1 / fW＆nlE; 7.92，ωW≥35和fT /fW≥10（fG1是第一透镜单元的复合焦距，ωW是一半 在广角限制下的视角，fT和fW分别是在远摄极限和广角限制下整个系统的焦距），提供成像装置和照相机。

公开(公告)号：US08149297B2

公开(公告)日：2012-04-03

申请号：US12652407

申请日：2010-01-05

申请人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

发明人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

IPC分类号： H04N5/262

CPC分类号： G02B15/173 ,  G02B13/12

摘要： 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 the first lens unit is composed of three or fewer lens elements, wherein the second lens unit is composed of three lens elements, wherein in zooming, the first to the fourth lens units are moved individually along an optical axis such that air spaces should vary, so that variable magnification is achieved, and wherein the conditions are satisfied: 5.50≦fG1/fW≦7.92, ωW≧35 and fT/fW≧10 (fG1 is a composite focal length of the first lens unit, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system respectively at a telephoto limit and at a wide-angle limit), an imaging device and a camera are provided.

摘要翻译： 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， 其中所述第一透镜单元由三个或更少的透镜元件组成，其中所述第二透镜单元由三个透镜元件组成，其中在变焦中，所述第一至第四透镜单元沿着光轴单独移动，使得空气空间应当变化 ，从而实现可变放大倍率，其中满足条件：5.50＆nlE; fG1 / fW＆nlE; 7.92，ωW≥35和fT /fW≥10（fG1是第一透镜单元的复合焦距，ωW是一半 在广角限制下的视角，fT和fW分别是在远摄极限和广角限制下整个系统的焦距），提供成像装置和照相机。

公开(公告)号：US20100171849A1

公开(公告)日：2010-07-08

申请号：US12652310

申请日：2010-01-05

申请人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

发明人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

IPC分类号： H04N5/262 ,  G02B15/14

CPC分类号： G02B15/173

摘要： 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 the first lens unit is composed of three or fewer lens elements, wherein the second lens unit is composed of three lens elements, wherein in zooming, the first to the fourth lens units are moved individually along an optical axis such that air spaces should vary, so that variable magnification is achieved, and wherein the conditions are satisfied: tan 2ωW×m2W≦−1.78, tan 2ωW×|fG2|/fG1≧1.24, ωW≧37 and fT/fW≧10 (m2W is a lateral magnification of the second lens unit at a wide-angle limit, fG1 and fG2 are composite focal lengths of the first and the second lens units, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system respectively at a telephoto limit and at a wide-angle limit), an imaging device and a camera are provided.

摘要翻译： 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， 其中所述第一透镜单元由三个或更少的透镜元件组成，其中所述第二透镜单元由三个透镜元件组成，其中在变焦中，所述第一至第四透镜单元沿着光轴单独移动，使得空气空间应当变化 ，从而实现可变放大倍率，其中满足条件：tan2ωW×m2W＆nlE; -1.78，tan2ωW×| fG2 |/fG1≥1.24，ωW≥37和fT /fW≥10（m2W是 广角限制的第二透镜单元fG1和fG2是第一和第二透镜单元的复合焦距，ωW是广角极限处的半视角，fT和fW是整个焦点的焦距 系统分别在远摄极限和广角限制），一个想象 g设备和相机。

公开(公告)号：US08284276B2

公开(公告)日：2012-10-09

申请号：US12652310

申请日：2010-01-05

申请人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

发明人： Yasunori Tohchi ,  Yoshiaki Kurioka ,  Takakazu Bito

IPC分类号： H04N5/262 ,  G02B15/14

CPC分类号： G02B15/173

摘要： 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 the first lens unit is composed of three or fewer lens elements, wherein the second lens unit is composed of three lens elements, wherein in zooming, the first to the fourth lens units are moved individually along an optical axis such that air spaces should vary, so that variable magnification is achieved, and wherein the conditions are satisfied: tan 2ωW×m2W≦−1.78, tan 2ωW×|fG2|/fG1≧1.25, ωW≧37 and fT/fW≧10 (m2W is a lateral magnification of the second lens unit at a wide-angle limit, fG1 and fG2 are composite focal lengths of the first and the second lens units, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system respectively at a telephoto limit and at a wide-angle limit), an imaging device and a camera are provided.

摘要翻译： 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， 其中所述第一透镜单元由三个或更少的透镜元件组成，其中所述第二透镜单元由三个透镜元件组成，其中在变焦中，所述第一至第四透镜单元沿着光轴单独移动，使得空气空间应当变化 ，从而实现可变放大倍数，并且其中满足条件：tan2ωW×m2W＆nlE; -1.78，tan2ωW×| fG2 |/fG1≥1.25，ωW≥37和fT /fW≥10（m2W是 广角限制的第二透镜单元fG1和fG2是第一和第二透镜单元的复合焦距，ωW是广角极限处的半视角，fT和fW是整个焦点的焦距 系统分别在远摄极限和广角限制），一个想象 g设备和相机。

公开(公告)号：US08665532B2

公开(公告)日：2014-03-04

申请号：US13393540

申请日：2010-10-18

申请人： Yasunori Touchi ,  Yoshiaki Kurioka ,  Shunichiro Yoshinaga

发明人： Yasunori Touchi ,  Yoshiaki Kurioka ,  Shunichiro Yoshinaga

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/0025 ,  H04N5/2251 ,  H04N5/2254

摘要： A zoom lens system, in order from an object side to an image side, comprising a positive first lens unit, a negative second lens unit, a positive third lens unit, and a positive fourth lens unit, wherein the first lens unit is composed of a cemented lens element of one object side negative lens element and one image side positive lens element, the fourth lens unit is composed of one lens element, in zooming, the first to fourth lens units are individually moved along an optical axis so that air spaces between the respective lens units vary for magnification change, and the conditions: vdL12

摘要翻译： 从物体侧到像侧的变焦透镜系统包括正的第一透镜单元，负的第二透镜单元，正的第三透镜单元和正的第四透镜单元，其中第一透镜单元由 一个物体侧负透镜元件和一个像侧正透镜元件的胶合透镜元件，第四透镜单元由一个透镜元件组成，在变焦时，第一至第四透镜单元沿光轴分别移动，使得空间 在各透镜单元之间变化以用于放大率变化，并且条件为：vdL12 <43.50和fT / fW> = 6.0（vdL12：第一透镜单元中的正透镜元件的阿贝数，fT和fW：整体的焦距 系统在远摄极限和广角限制）; 成像装置; 和相机。

公开(公告)号：US08400719B2

公开(公告)日：2013-03-19

申请号：US12869957

申请日：2010-08-27

申请人： Yoshiaki Kurioka

发明人： Yoshiaki Kurioka

IPC分类号： G02B9/60 ,  G02B13/18 ,  G02B3/02 ,  G02B9/00 ,  G02B9/08

CPC分类号： G02B13/18

摘要： It has conventionally been difficult to reduce the size of a fast lens system having an F number of about 1.4 to 2.4. In a lens system of the present invention, a positive lens element is disposed closest to an object side. A diaphragm is disposed in a widest air space in the lens system. The lens system of the present invention satisfies the following conditions: 0.05

摘要翻译： 传统上难以减小具有约1.4至2.4的F数的快速透镜系统的尺寸。 在本发明的透镜系统中，最靠近物体侧设置正透镜元件。 隔膜设置在透镜系统中最宽的空气空间中。 本发明的透镜系统满足以下条件：0.05

公开(公告)号：US07532409B2

公开(公告)日：2009-05-12

申请号：US11980555

申请日：2007-10-31

申请人： Yoshiaki Kurioka

发明人： Yoshiaki Kurioka

IPC分类号： G02B15/14

CPC分类号： G02B15/177

摘要： A zoom lens system comprising a first lens unit of negative power, a second lens unit of positive power and a third lens unit of positive power, wherein in zooming, the lens units move respectively along an optical axis so that an interval of first lens unit and second lens unit decreases while an interval of second lens unit and third lens unit changes with variable magnification, the first lens unit comprises one object side negative lens element and one image side positive lens element, which have an aspheric surface, and the conditions: n12>1. 88, ν12 30, n12 and ν12 are refractive index and Abbe number, respectively, of the image side positive lens element of the first lens unit, f3 is a composite focal length of the third lens unit, fW is a focal length of the entire zoom lens system at a wide-angle limit) are satisfied.

摘要翻译： 一种变焦透镜系统，包括负功率的第一透镜单元，正光焦度的第二透镜单元和正光焦度的第三透镜单元，其中，在变焦中，透镜单元分别沿着光轴移动，使得第一透镜单元 并且第二透镜单元在第二透镜单元和第三透镜单元的间隔以可变放大率改变的同时减小，第一透镜单元包括具有非球面的一个物体侧负透镜元件和一个像侧正透镜元件，条件是： n12> 1。 88，nu12 <26和3.0 30，n12和nu12分别是第一透镜单元的像侧正透镜元件的折射率和阿贝数，f3是 第三透镜单元fW是整个变焦透镜系统的广角范围的焦距）。

公开(公告)号：US20080285148A1

公开(公告)日：2008-11-20

申请号：US12155160

申请日：2008-05-30

申请人： Yoshiaki Kurioka ,  Keiki Yoshitsugu ,  Kyoichi Miyazaki

发明人： Yoshiaki Kurioka ,  Keiki Yoshitsugu ,  Kyoichi Miyazaki

IPC分类号： G02B15/14

CPC分类号： G02B15/177

摘要： A zoom lens system comprising a first lens unit having negative power, a second lens unit having positive power and a third lens unit having positive power, wherein in zooming from a wide-angle limit to a telephoto limit, the lens units move respectively along an optical axis in such a manner that an interval between the first lens unit and the second lens unit decreases while an interval between the second lens unit and the third lens unit changes so that variable magnification is achieved, the first lens unit comprises one object side negative lens element and one image side positive lens element with a convex surface facing the object side, which have an aspheric surface, and the conditions: n 12>1. 88 and ν 12

摘要翻译： 一种变焦透镜系统，包括具有负功率的第一透镜单元，具有正光焦度的第二透镜单元和具有正光焦度的第三透镜单元，其中，从广角限制到远摄极限的变焦中，透镜单元分别沿着 光轴，使得第一透镜单元和第二透镜单元之间的间隔减小，同时第二透镜单元和第三透镜单元之间的间隔变化，使得实现可变放大倍数，第一透镜单元包括一个物体侧负 透镜元件和具有面向物体侧的凸面的一个像侧正透镜元件，其具有非球面，条件为：n 12> 1。 88和nu 12 <26（n12和nu12分别是第一透镜单元的像侧正透镜元件的折射率和阿贝数）。