公开(公告)号：US07800831B2

公开(公告)日：2010-09-21

申请号：US12561943

申请日：2009-09-17

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括具有相互不同标志的功率的两个透镜元件的第一胶合透镜元件和具有相互不同符号的力的两个透镜元件的第二胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 <αiW<20.0和（I-2）：n11≥1.9（其中，3.2 35，αiW是主光线与图像传感器的最大入射角 在广角极限处的图像高度，n11是第一透镜元件对d线的折射率，ωW是广角极限处的半视角，fT和fW是整个系统的焦距 分别为远摄极限和广角限制）。

公开(公告)号：US20100226019A1

公开(公告)日：2010-09-09

申请号：US12785193

申请日：2010-05-21

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a cemented lens element fabricated by two lens elements having optical power of mutually different signs and one single lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括由具有相互不同标志的光学功率的两个透镜元件和一个单一透镜元件制成的胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 <αiW<20.0和（I-2）：n11≥1.9（其中，3.2 35，αiW是主光线与图像传感器的最大入射角 在广角极限处的图像高度，n11是第一透镜元件对d线的折射率，ωW是广角极限处的半视角，fT和fW是整个系统的焦距 分别为远摄极限和广角限制）。

公开(公告)号：US20100007965A1

公开(公告)日：2010-01-14

申请号：US12561911

申请日：2009-09-17

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/177 ,  G02B15/16

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiw is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括具有相互不同标志的功率的两个透镜元件的第一胶合透镜元件和具有相互不同符号的力的两个透镜元件的第二胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 = 1.9（其中，3.2 35，alphaiw是主光线相对于图像传感器的入射角 在广角极限处的最大图像高度，n11是第一透镜元件对d线的折射率，ω是在广角极限处的半视角，fT和fW是整个系统的焦距 分别在望远极限和广角极限）。

公开(公告)号：US07593166B2

公开(公告)日：2009-09-22

申请号：US12127370

申请日：2008-05-27

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωw is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括具有相互不同标志的功率的两个透镜元件的第一胶合透镜元件和具有相互不同符号的力的两个透镜元件的第二胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 = 1.9（其中，3.2 35，alphaiW是主光线相对于图像传感器的入射角 在广角极限处的最大图像高度，n11是第一透镜元件对d线的折射率，ω是广角限制的半视角，fT和fW是整个系统的焦距 分别在望远极限和广角极限）。

公开(公告)号：US07948684B2

公开(公告)日：2011-05-24

申请号：US12561911

申请日：2009-09-17

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括具有相互不同标志的功率的两个透镜元件的第一胶合透镜元件和具有相互不同符号的力的两个透镜元件的第二胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 <αiW<20.0和（I-2）：n11≥1.9（其中，3.2 35，αiW是主光线与图像传感器的最大入射角 在广角极限处的图像高度，n11是第一透镜元件对d线的折射率，ωW是广角极限处的半视角，fT和fW是整个系统的焦距 分别为远摄极限和广角限制）。

公开(公告)号：US07755847B2

公开(公告)日：2010-07-13

申请号：US12127297

申请日：2008-05-27

申请人： Katsu Yamada ,  Keiki Yoshitsugu ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Katsu Yamada ,  Keiki Yoshitsugu ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B27/646

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a single third lens element, a cemented lens element of two lens elements having power of mutually different signs and a single sixth lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括单个第三透镜元件，具有彼此不同标志的功率的两个透镜元件的接合透镜元件和单个第六透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 <αiW<20.0和（I-2）：n11≥1.9（其中，3.2 35，αiW是主光线与图像传感器的最大入射角 在广角极限处的图像高度，n11是第一透镜元件对d线的折射率，ωW是广角极限处的半视角，fT和fW是整个系统的焦距 分别为远摄极限和广角限制）。

公开(公告)号：US07742235B2

公开(公告)日：2010-06-22

申请号：US12127345

申请日：2008-05-27

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a cemented lens element fabricated by two lens elements having optical power of mutually different signs and one single lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括由具有相互不同标志的光学功率的两个透镜元件和一个单一透镜元件制成的胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 <αiW<20.0和（I-2）：n11≥1.9（其中，3.2 35，αiW是主光线与图像传感器的最大入射角 在广角极限处的图像高度，n11是第一透镜元件对d线的折射率，ωW是广角极限处的半视角，fT和fW是整个系统的焦距 分别为远摄极限和广角限制）。

公开(公告)号：US20080297917A1

公开(公告)日：2008-12-04

申请号：US12127370

申请日：2008-05-27

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/177

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωw is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括具有相互不同标志的功率的两个透镜元件的第一胶合透镜元件和具有相互不同符号的力的两个透镜元件的第二胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 = 1.9（其中，3.2 35，alphaiW是主光线相对于图像传感器的入射角 在广角极限处的最大图像高度，n11是第一透镜元件对d线的折射率，ω是广角限制的半视角，fT和fW是整个系统的焦距 分别在望远极限和广角极限）。

公开(公告)号：US07948685B2

公开(公告)日：2011-05-24

申请号：US12785193

申请日：2010-05-21

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a cemented lens element fabricated by two lens elements having optical power of mutually different signs and one single lens element; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, ωW is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括由具有相互不同标志的光学功率的两个透镜元件和一个单一透镜元件制成的胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 <αiW<20.0和（I-2）：n11≥1.9（其中，3.2 35，αiW是主光线与图像传感器的最大入射角 在广角极限处的图像高度，n11是第一透镜元件对d线的折射率，ωW是广角极限处的半视角，fT和fW是整个系统的焦距 分别为远摄极限和广角限制）。

公开(公告)号：US20100007968A1

公开(公告)日：2010-01-14

申请号：US12561943

申请日：2009-09-17

申请人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

发明人： Keiki Yoshitsugu ,  Katsu Yamada ,  Yoshito Miyatake ,  Kazuhiko Ishimaru

IPC分类号： G02B15/14

CPC分类号： G02B15/177 ,  G02B7/021

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: the first lens unit comprises a first lens element having a concave surface at least on the image side and negative power and a second lens element having a convex surface at least on the object side and positive power; the second lens unit comprises a first cemented lens element of two lens elements having power of mutually different signs and a second cemented lens element of two lens elements having power of mutually different signs; in zooming, all of the lens units move along an optical axis; and conditions (1): 5.0 35, αiW is an incident angle of a principal ray to an image sensor at a maximum image height at a wide-angle limit, n11 is a refractive index of the first lens element to the d-line, Cow is a half view angle at a wide-angle limit, and fT and fW are focal lengths of the entire system at a telephoto limit and a wide-angle limit, respectively) are satisfied.

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：所述第一透镜单元包括至少在图像侧具有凹面的第一透镜元件 负电源和至少在物体侧具有凸面的正电力的第二透镜元件; 第二透镜单元包括具有相互不同标志的功率的两个透镜元件的第一胶合透镜元件和具有相互不同符号的力的两个透镜元件的第二胶合透镜元件; 在变焦中，所有的透镜单元沿光轴移动; 和条件（1）：5.0 = 1.9（其中，3.2 35，alphaiW是主光线相对于图像传感器的入射角 在广角极限处的最大图像高度，n11是第一透镜元件对d线的折射率，Cow是广角限制的半视角，fT和fW是整个系统的焦距 分别在望远极限和广角极限）。