公开(公告)号：US07545577B2

公开(公告)日：2009-06-09

申请号：US12038657

申请日：2008-02-27

申请人： Hiroyuki Hamano ,  Kenji Obu

发明人： Hiroyuki Hamano ,  Kenji Obu

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B27/0037 ,  G02B27/0056 ,  G02B27/4216

摘要： A compact zoom lens includes a first lens unit disposed closest to an object side, an aperture, and a rear lens group. The first lens unit includes a first diffraction optical part having positive refractive power, and the rear lens group includes a second diffraction optical part having positive refractive power. The power relation between the two diffraction optical parts and the positions of the diffraction optical parts are set appropriately. The zoom lens can have a high zoom ratio wherein chromatic aberration is fully corrected, and an image pickup apparatus employing this zoom lens can be provided.

摘要翻译： 小型变焦透镜包括最靠近物体侧设置的第一透镜单元，孔和后透镜组。 第一透镜单元包括具有正折光力的第一衍射光学部件，并且后透镜组包括具有正屈光力的第二衍射光学部件。 两个衍射光学部件之间的功率关系和衍射光学部件的位置被适当地设置。 变焦镜头可以具有高变焦比，其中色差被完全校正，并且可以提供采用该变焦镜头的摄像装置。

公开(公告)号：US20080273249A1

公开(公告)日：2008-11-06

申请号：US12038657

申请日：2008-02-27

申请人： Hiroyuki Hamano ,  Kenji Obu

发明人： Hiroyuki Hamano ,  Kenji Obu

IPC分类号： G02B15/14 ,  G02B9/60

CPC分类号： G02B15/173 ,  G02B27/0037 ,  G02B27/0056 ,  G02B27/4216

摘要： A compact zoom lens includes a first lens unit disposed closest to an object side, an aperture, and a rear lens group. The first lens unit includes a first diffraction optical part having positive refractive power, and the rear lens group includes a second diffraction optical part having positive refractive power. The power relation between the two diffraction optical parts and the positions of the diffraction optical parts are set appropriately. The zoom lens can have a high zoom ratio wherein chromatic aberration is fully corrected, and an image pickup apparatus employing this zoom lens can be provided.

摘要翻译： 小型变焦透镜包括最靠近物体侧设置的第一透镜单元，孔和后透镜组。 第一透镜单元包括具有正折光力的第一衍射光学部件，并且后透镜组包括具有正屈光力的第二衍射光学部件。 两个衍射光学部件之间的功率关系和衍射光学部件的位置被适当地设置。 变焦镜头可以具有高变焦比，其中色差被完全校正，并且可以提供采用该变焦镜头的摄像装置。

公开(公告)号：US20080204902A1

公开(公告)日：2008-08-28

申请号：US12037044

申请日：2008-02-25

申请人： Kenji Obu ,  Ken Wada ,  Takashi Okada ,  Yoshihisa Tashiro

发明人： Kenji Obu ,  Ken Wada ,  Takashi Okada ,  Yoshihisa Tashiro

IPC分类号： G02B9/60

CPC分类号： G02B15/177 ,  G02B1/00

摘要： A zoom lens system includes a first lens unit having a negative refractive power, at least one lens unit having a positive refractive power, and an optical element composed of a material having an Abbe number and a partial dispersion that satisfy a predetermined condition. The first lens unit, an aperture stop, and the at least one lens unit are arranged in this order from the object side to the image side. The zoom lens system performs zooming while changing the distance between the lens units. The focal length fN Of the optical element, the distance Lt from the aperture stop to the optical element in the telephoto end state, the overall length of the zoom lens system Tt in the telephoto end state, and the focal lengths fw and ft in the wide-angle end and telephoto end states are set at appropriate values.

摘要翻译： 变焦透镜系统包括具有负屈光力的第一透镜单元，具有正折光力的至少一个透镜单元和由具有满足预定条件的阿贝数和部分色散的材料组成的光学元件。 第一透镜单元，孔径光阑和至少一个透镜单元从物体侧到像侧依次布置。 变焦镜头系统在改变镜头单元之间的距离的同时进行变焦。 光学元件的焦距f，在远摄端状态下从孔径光阑到光学元件的距离Lt是远摄端状态下的变焦透镜系统Tt的总长度，以及 在广角端和远摄端状态下的焦距fw和ft被设置为适当的值。

公开(公告)号：US08537225B2

公开(公告)日：2013-09-17

申请号：US12765022

申请日：2010-04-22

申请人： Kenji Obu

发明人： Kenji Obu

IPC分类号： H04N5/228

CPC分类号： H04N5/23248 ,  H04N5/2328

摘要： To reduce degradation of image quality occurring upon correction of an image shake, provided is an image pickup apparatus including: an image pickup optical system; an image pickup element for photoelectrically converting an image formed by the image pickup optical system; a processing unit for processing a taken image; a detection unit for detecting a shake of the image pickup apparatus; and an image stabilizing unit for decentering an image stabilizing lens unit formed as a part of the image pickup optical system based on a detection result from the detection unit. The processing unit performs the process by using an image restore filter corresponding to a position of the image stabilizing lens unit at a time of image taking.

摘要翻译： 为了减少校正图像抖动时出现的图像质量的劣化，提供了一种图像拾取装置，包括：图像拾取光学系统; 用于对由所述摄像光学系统形成的图像进行光电转换的图像拾取元件; 处理单元，用于处理拍摄图像; 检测单元，用于检测图像拾取装置的抖动; 以及图像稳定单元，用于基于来自检测单元的检测结果使形成为摄像光学系统的一部分的图像稳定透镜单元偏心。 处理单元通过在图像拍摄时使用与图像稳定化透镜单元的位置相对应的图像恢复滤波器来执行处理。

公开(公告)号：US07692871B2

公开(公告)日：2010-04-06

申请号：US12186371

申请日：2008-08-05

申请人： Kenji Obu ,  Ken Wada ,  Kenji Shinohara

发明人： Kenji Obu ,  Ken Wada ,  Kenji Shinohara

IPC分类号： G02B15/14

CPC分类号： G02B15/173

摘要： A zoom lens device includes, from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a positive refractive power. The zoom lens device is formed so that a distance Ximg between a position of the first lens unit at the wide-angle end and a position of the first lens unit that is maximally moved towards the image side, a distance Xobj between the position of the first lens unit at the wide-angle end and a position of the first lens unit that is maximally moved towards the object side, and a focal length fw of the zoom lens device at the wide-angle end are suitable values.

摘要翻译： 变焦透镜装置包括从物体侧到像侧具有正折光力的第一透镜单元，具有负屈光力的第二透镜单元，具有正折光力的第三透镜单元和第四透镜单元 具有正的屈光力。 变焦透镜装置形成为使得在广角端处的第一透镜单元的位置与朝向像侧最大程度地移动的第一透镜单元的位置之间的距离Ximg， 第一透镜单元在广角端处，并且第一透镜单元的位置最大程度地朝向物体侧移动，并且变焦透镜装置在广角端处的焦距fw是适合的值。

公开(公告)号：US20100271496A1

公开(公告)日：2010-10-28

申请号：US12765022

申请日：2010-04-22

申请人： Kenji Obu

发明人： Kenji Obu

IPC分类号： H04N5/228

CPC分类号： H04N5/23248 ,  H04N5/2328

摘要： To reduce degradation of image quality occurring upon correction of an image shake, provided is an image pickup apparatus including: an image pickup optical system; an image pickup element for photoelectrically converting an image formed by the image pickup optical system; a processing unit for processing a taken image; a detection unit for detecting a shake of the image pickup apparatus; and an image stabilizing unit for decentering an image stabilizing lens unit formed as a part of the image pickup optical system based on a detection result from the detection unit. The processing unit performs the process by using an image restore filter corresponding to a position of the image stabilizing lens unit at a time of image taking.

摘要翻译： 为了减少校正图像抖动时出现的图像质量的劣化，提供了一种图像拾取装置，包括：图像拾取光学系统; 用于对由所述摄像光学系统形成的图像进行光电转换的图像拾取元件; 处理单元，用于处理拍摄图像; 检测单元，用于检测图像拾取装置的抖动; 以及图像稳定单元，用于基于来自检测单元的检测结果使形成为摄像光学系统的一部分的图像稳定透镜单元偏心。 处理单元通过在图像拍摄时使用与图像稳定化透镜单元的位置相对应的图像恢复滤波器来执行处理。

公开(公告)号：US20090040625A1

公开(公告)日：2009-02-12

申请号：US12186412

申请日：2008-08-05

申请人： Kenji Shinohara ,  Kenji Obu

发明人： Kenji Shinohara ,  Kenji Obu

IPC分类号： G02B15/14

CPC分类号： G02B27/646 ,  G02B15/173

摘要： A zoom lens system includes, in order from an object side to an image side, first, second, third, and fourth lens units having positive, negative, positive, and positive optical powers, respectively. The first lens unit includes one negative lens element and two positive lens elements, and moves during zooming. The zoom lens system satisfies the following condition: 0.05

摘要翻译： 变焦透镜系统从物体侧到像侧依次包括分别具有正，正，正和正光焦度的第一，第二，第三和第四透镜单元。 第一透镜单元包括一个负透镜元件和两个正透镜元件，并且在变焦期间移动。 变焦透镜系统满足以下条件：<？in-line-formula description =“In-line formula”end =“lead”？> 0.05 <？in-line-formula description =“In-line Formulas”end =“lead”？> 1.5 其中f1表示第一透镜单元的焦距，st1表示第一透镜单元在广角端和远摄端的位置之间的距离， fw和ft分别表示广角端和远摄端的整个系统的焦距，β3W和β3T分别表示第三透镜单元在广角端和远摄端的横向放大倍数。

公开(公告)号：US20060285224A1

公开(公告)日：2006-12-21

申请号：US11453192

申请日：2006-06-13

申请人： Hiroshi Endo ,  Kenji Obu

发明人： Hiroshi Endo ,  Kenji Obu

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B7/008 ,  G02B27/0062

摘要： At least one exemplary embodiment is directed to a zoom lens system having a telephoto-type configuration at the telephoto end. When assuming that an Abbe number is vd, and a partial dispersion ratio is θgF, this zoom lens system includes a refractive optical element having positive refracting power made up of a solid material that can satisfy the following conditions: −2.100×10−3·vd+0.693

摘要翻译： 至少一个示例性实施例涉及在远摄端具有长焦型配置的变焦透镜系统。 当假设阿贝数为vd，部分色散比为tagF时，该变焦透镜系统包括具有由能够满足以下条件的固体材料构成的正折射率的折射光学元件：<β在线式 描述=“在线公式”end =“lead”？> - 2.100x10 <3> .vd + 0.693 <？in-line-formula description =“In-line Formulas”end =“lead”？> 0.555

公开(公告)号：US07715112B2

公开(公告)日：2010-05-11

申请号：US12186412

申请日：2008-08-05

申请人： Kenji Shinohara ,  Kenji Obu

发明人： Kenji Shinohara ,  Kenji Obu

IPC分类号： G02B15/14 ,  G02B27/64

CPC分类号： G02B27/646 ,  G02B15/173

摘要： A zoom lens system includes, in order from an object side to an image side, first, second, third, and fourth lens units having positive, negative, positive, and positive optical powers, respectively. The first lens unit includes one negative lens element and two positive lens elements, and moves during zooming. The zoom lens system satisfies the following condition: 0.05

摘要翻译： 变焦透镜系统从物体侧到像侧依次包括分别具有正，正，正和正光焦度的第一，第二，第三和第四透镜单元。 第一透镜单元包括一个负透镜元件和两个正透镜元件，并且在变焦期间移动。 变焦透镜系统满足以下条件：0.05

公开(公告)号：US08472122B2

公开(公告)日：2013-06-25

申请号：US13290457

申请日：2011-11-07

申请人： Kenji Obu ,  Ken Wada

发明人： Kenji Obu ,  Ken Wada

IPC分类号： G02B15/14 ,  G02B3/12

CPC分类号： G02B3/14 ,  G02B26/005

摘要： The optical system of the present invention includes a plurality of lens groups and a variable focus lens. Here, the variable focus lens satisfies the following condition: −0.023≦{(nA−1)/νA−(nB−1)/νB}/(nB−nA)≦0.023 where nA and nB respectively denote the d-line refractive indices of a first medium and a second medium, and νA and νB respectively denote the d-line Abbe numbers of the first and second media. In addition, the plurality of lens groups moves in an optical axial direction; and the following condition holds: 0.8

摘要翻译： 本发明的光学系统包括多个透镜组和可变焦距透镜。 这里，可变焦透镜满足以下条件：-0.023 @ {（nA-1）/ nuA-（nB-1）/ nuB} /（nB-nA）@ 0.023其中nA和nB分别表示d线折射率 第一介质和第二介质的索引，nuA和nuB分别表示第一和第二介质的d线阿贝数。 此外，多个透镜组沿光轴方向移动; 并且满足以下条件：0.8