公开(公告)号：US08218247B2

公开(公告)日：2012-07-10

申请号：US12591253

申请日：2009-11-13

申请人： Daisuke Kuroda ,  Makoto Kanai ,  Takumi Matsui ,  Hiroki Yamano

发明人： Daisuke Kuroda ,  Makoto Kanai ,  Takumi Matsui ,  Hiroki Yamano

IPC分类号： G02B15/14

CPC分类号： G02B15/177

摘要： Disclosed herein is a zoom lens formed by arranging a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power in order from an object side to an image side, wherein at a time of varying power from a wide-angle end to a telephoto end, the first lens group is moved and the second lens group is moved to the object side integrally with a diaphragm such that an air interval between the first lens group and the second lens group is decreased and such that an air interval between the second lens group and the third lens group is increased.

摘要翻译： 本文公开了一种变焦透镜，其通过从物体侧到像侧依次排列具有负折光力的第一透镜组，具有正折光力的第二透镜组和具有正折光力的第三透镜组， 其中在从广角端到远摄端的变化时，第一透镜组被移动，并且第二透镜组与隔膜一体地移动到物体侧，使得第一透镜组和第二透镜组之间的空气间隔 第二透镜组减少，使得第二透镜组和第三透镜组之间的空气间隔增大。

公开(公告)号：US20110149119A1

公开(公告)日：2011-06-23

申请号：US12926401

申请日：2010-11-16

申请人： Takumi Matsui

发明人： Takumi Matsui

IPC分类号： H04N5/262 ,  G02B15/14

CPC分类号： G02B15/173 ,  G02B27/646

摘要： A zoom lens includes: 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 or negative refracting power; the first, second, third, fourth and fifth lenses being disposed in order from the object side to the image side of the zoom lens.

摘要翻译： 变焦镜头包括：具有正折射力的第一透镜组; 具有负折射率的第二透镜组; 具有正折射率的第三透镜组; 具有正折射率的第四透镜组; 以及具有正或负折射光焦度的第五透镜组; 第一，第二，第三，第四和第五透镜从变焦透镜的物体侧到像侧依次布置。

公开(公告)号：US20100265594A1

公开(公告)日：2010-10-21

申请号：US12659321

申请日：2010-03-04

申请人： Takumi Matsui ,  Makoto Kanai ,  Daisuke Kuroda ,  Hiroki Yamano

发明人： Takumi Matsui ,  Makoto Kanai ,  Daisuke Kuroda ,  Hiroki Yamano

IPC分类号： G02B15/177

CPC分类号： G02B15/177

摘要： A zoom lens includes a negative first lens group, a positive second lens group, and a positive third lens group; wherein, when changing power from a wide-angle end state to a tele end state, the first lens group moves such that air space between the first lens group and the second lens group decreases, and air space between the second lens group and the third lens group increases, and the second lens group moves toward the object side; and wherein the first lens group includes a negative lens with both faces formed aspherically and the concave face facing the image side, and a positive meniscus lens with at least one face formed aspherically and the convex face facing the object side, satisfying 2.8

摘要翻译： 变焦镜头包括负的第一透镜组，正的第二透镜组和正的第三透镜组; 其中，当从广角端状态向远端状态变换电力时，第一透镜组移动使得第一透镜组和第二透镜组之间的空气间隔减小，并且第二透镜组与第三透镜组之间的空气空间 透镜组增加，第二透镜组向物体侧移动; 并且其中所述第一透镜组包括具有非球面和凹面朝向图像侧的两个面的负透镜，以及具有至少一个面的正弯月形透镜，并且所述凸面面向物体侧，满足2.8 <| f1 /fw|<3.3其中f1表示第一透镜组的焦距，fw表示广角端状态下的整个焦距。

公开(公告)号：US20100060993A1

公开(公告)日：2010-03-11

申请号：US12461449

申请日：2009-08-12

申请人： Makoto Kanai ,  Daisuke Kuroda ,  Takumi Matsui ,  Hiroki Yamano

发明人： Makoto Kanai ,  Daisuke Kuroda ,  Takumi Matsui ,  Hiroki Yamano

IPC分类号： G02B15/177

CPC分类号： G02B15/177

摘要： Disclosed herein is a zoom lens formed by arranging a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power in order from an object side to an image side, wherein at a time of varying power from a wide-angle end to a telephoto end, the first lens group is moved, and the second lens group is moved to the object side such that an air interval between the first lens group and the second lens group is decreased and such that an air interval between the second lens group and the third lens group is increased.

摘要翻译： 本文公开了一种变焦透镜，其通过从物体侧到像侧依次排列具有负折光力的第一透镜组，具有正折光力的第二透镜组和具有正折光力的第三透镜组， 其中在从广角端到远摄端的功率变化时，第一透镜组被移动，并且第二透镜组移动到物体侧，使得第一透镜组和第二透镜之间的空气间隔 组减小，使得第二透镜组和第三透镜组之间的空气间隔增大。

公开(公告)号：US07242529B2

公开(公告)日：2007-07-10

申请号：US11223025

申请日：2005-09-12

申请人： Hiroshi Sato ,  Takumi Matsui

发明人： Hiroshi Sato ,  Takumi Matsui

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B13/0065 ,  G02B13/009

摘要： A zoom lens includes: a first lens group having a positive refractive power and statically positioned along an optical axis when a power of the zoom lens is varied or the zoom lens is focused; a second lens group having a negative refractive power; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; a fifth lens group. The second and fourth lens groups are moved for varying the power of the zoom lens and the fourth lens group is further moved for focusing the zoom lens. The first lens group includes a reflective optical element for bending an optical path. The second lens group includes a cemented lens including a positive lens and a negative lens. The fourth lens group includes two positive lenses, and the fifth lens group includes one positive lens having at least one aspherical surface.

摘要翻译： 变焦透镜包括：当变焦镜头的焦距变化或变焦镜头被聚焦时，具有正折光力并沿着光轴静态定位的第一透镜组; 具有负屈光力的第二透镜组; 具有正屈光力的第三透镜组; 具有正折射光焦度的第四透镜组; 第五个镜头组。 移动第二和第四透镜组以改变变焦透镜的功率，并且第四透镜组进一步移动以聚焦变焦透镜。 第一透镜组包括用于弯曲光路的反射光学元件。 第二透镜组包括具有正透镜和负透镜的胶合透镜。 第四透镜组包括两个正透镜，第五透镜组包括一个具有至少一个非球面的正透镜。

公开(公告)号：US07110188B2

公开(公告)日：2006-09-19

申请号：US10852817

申请日：2004-05-25

申请人： Takumi Matsui ,  Eigo Sano

发明人： Takumi Matsui ,  Eigo Sano

IPC分类号： G02B13/18 ,  G02B3/02 ,  G02B13/04 ,  G02B9/00

CPC分类号： G02B13/004 ,  G02B9/34 ,  G02B13/006 ,  G02B13/18

摘要： An imaging lens includes sequentially, from an object side, a first lens group, a second lens group, a third lens group, and a fourth lens group. The first lens group includes only a first lens having a meniscus shape with a concave surface facing the object side. The second lens group has positive refracting power as a whole and includes sequentially, from the object side, a second-first lens having positive refracting power and a second-second lens cemented to or separated from the second-first lens and having negative refracting power. The third lens group includes only a third lens having a meniscus shape with a concave surface facing the object side. The fourth lens group includes only a fourth lens.

摘要翻译： 成像透镜从物体侧顺序地包括第一透镜组，第二透镜组，第三透镜​​组和第四透镜组。 第一透镜组仅包括具有面向物体侧的凹面的弯液面形状的第一透镜。 第二透镜组作为整体具有正折射力，并且从物体侧依次包括具有正折射率的第二透镜和粘合到第二透镜的第二透镜和与第二透镜分离并具有负折射力的第二透镜 。 第三透镜组仅包括具有面向物体侧的凹面的弯液面形状的第三透镜。 第四透镜组仅包括第四透镜。

公开(公告)号：US20060056048A1

公开(公告)日：2006-03-16

申请号：US11223025

申请日：2005-09-12

申请人： Hiroshi Sato ,  Takumi Matsui

发明人： Hiroshi Sato ,  Takumi Matsui

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B13/0065 ,  G02B13/009

摘要： A zoom lens includes: a first lens group having a positive refractive power and statically positioned along an optical axis when a power of the zoom lens is varied or the zoom lens is focused; a second lens group having a negative refractive power; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; a fifth lens group. The second and fourth lens groups are moved for varying the power of the zoom lens and the fourth lens group is further moved for focusing the zoom lens. The first lens group includes a reflective optical element for bending an optical path. The second lens group includes a cemented lens including a positive lens and a negative lens. The fourth lens group includes two positive lenses, and the fifth lens group includes one positive lens having at least one aspherical surface.

摘要翻译： 变焦透镜包括：当变焦镜头的焦距变化或变焦镜头被聚焦时，具有正折光力并沿着光轴静态定位的第一透镜组; 具有负屈光力的第二透镜组; 具有正屈光力的第三透镜组; 具有正折射光焦度的第四透镜组; 第五个镜头组。 移动第二和第四透镜组以改变变焦透镜的功率，并且第四透镜组进一步移动以聚焦变焦透镜。 第一透镜组包括用于弯曲光路的反射光学元件。 第二透镜组包括具有正透镜和负透镜的胶合透镜。 第四透镜组包括两个正透镜，第五透镜组包括一个具有至少一个非球面的正透镜。

公开(公告)号：US07012765B2

公开(公告)日：2006-03-14

申请号：US10984830

申请日：2004-11-10

申请人： Takumi Matsui ,  Eigo Sano

发明人： Takumi Matsui ,  Eigo Sano

IPC分类号： G02B9/34

CPC分类号： G02B13/16 ,  G02B9/34 ,  G02B13/004 ,  G02B13/18 ,  G02B13/22

摘要： An image pickup lens includes: a first lens which is a positive lens having a positive refractive power; a second lens which is a negative lens having a negative refractive power; a third lens which is a positive lens; a fourth lens having at least one surface with an aspherical shape, wherein the first lens, the second lens, the third lens and the fourth lens are arranged from an object side of the image pickup lens in this order and the image pickup lens is designed using a predefined condition.

摘要翻译： 图像拾取透镜包括：第一透镜，其是具有正折射光焦度的正透镜; 作为具有负屈光力的负透镜的第二透镜; 第三透镜是正透镜; 具有至少一个具有非球面形状的表面的第四透镜，其中所述第一透镜，所述第二透镜，所述第三透镜和所述第四透镜依次从所述图像拾取透镜的物体侧布置，并且所述图像拾取透镜被设计 使用预定义条件。

公开(公告)号：US07880974B2

公开(公告)日：2011-02-01

申请号：US12659321

申请日：2010-03-04

申请人： Takumi Matsui ,  Makoto Kanai ,  Daisuke Kuroda ,  Hiroki Yamano

发明人： Takumi Matsui ,  Makoto Kanai ,  Daisuke Kuroda ,  Hiroki Yamano

IPC分类号： G02B15/14

CPC分类号： G02B15/177

摘要： A zoom lens includes a negative first lens group, a positive second lens group, and a positive third lens group; wherein, when changing power from a wide-angle end state to a tele end state, the first lens group moves such that air space between the first lens group and the second lens group decreases, and air space between the second lens group and the third lens group increases, and the second lens group moves toward the object side; and wherein the first lens group includes a negative lens with both faces formed aspherically and the concave face facing the image side, and a positive meniscus lens with at least one face formed aspherically and the convex face facing the object side, satisfying 2.8

摘要翻译： 变焦镜头包括负的第一透镜组，正的第二透镜组和正的第三透镜组; 其中，当从广角端状态向远端状态变换电力时，第一透镜组移动使得第一透镜组和第二透镜组之间的空气间隙减小，并且第二透镜组与第三透镜组之间的空气间隔 透镜组增加，第二透镜组向物体侧移动; 并且其中所述第一透镜组包括具有非球面和凹面朝向图像侧的两个面的负透镜，以及具有至少一个面的正弯月形透镜，并且所述凸面面向物体侧，满足2.8 <| f1 /fw|<3.3其中f1表示第一透镜组的焦距，fw表示广角端状态下的整个焦距。

公开(公告)号：US07486327B2

公开(公告)日：2009-02-03

申请号：US11131863

申请日：2005-05-18

申请人： Masashi Isono ,  Takumi Matsui

发明人： Masashi Isono ,  Takumi Matsui

IPC分类号： H04N5/225

CPC分类号： G02B13/0035 ,  G02B9/12 ,  H04M2250/52 ,  H04N5/2253

摘要： There is provided an image-taking optical system to form an image in a solid-state image pickup element. The image-taking optical system comprises an aperture stop, a positive first lens having a convex surface on an object side, a positive second lens having a convex surface on an image side, and a negative third lens L3 having a concave surface on the image side provided in this order from the object side. In addition, a conditional expression: 0.71

摘要翻译： 提供了一种用于在固态图像拾取元件中形成图像的摄像光学系统。 摄像光学系统包括孔径光阑，在物体侧具有凸面的正的第一透镜，在像侧上具有凸面的正的第二透镜和在图像上具有凹面的负的第三透镜L3 侧面从物体侧按此顺序提供。 此外，满足条件表达式：0.71