-
公开(公告)号:US20070279618A1
公开(公告)日:2007-12-06
申请号:US11576989
申请日:2005-10-14
申请人: Misa Sano , Masato Nishizawa , Takuya Imaoka , Tsutomu Fujita , Masatomo Kanegae
发明人: Misa Sano , Masato Nishizawa , Takuya Imaoka , Tsutomu Fujita , Masatomo Kanegae
IPC分类号: G01N21/00
CPC分类号: G06T5/003 , G06T5/20 , G06T2207/10024
摘要: The present invention provides an imaging apparatus, comprising a multifocal lens (210) having a plurality of lens portions different from one another in focal length; an imaging device (29) for converting an image formed thereon by said multifocal lens (210) into an electric signal to be outputted therethrough as an image signal; a computing unit (33) for carrying out a weighted computing process on said image signal from said imaging device (29) in accordance with a predetermined compensation function to output a compensated image signal as an output image signal, and in which said compensation function is an inverse function obtained based on a point spread function with respect to an object disposed at a predetermined distance from an optical system constituted by said multifocal lens (210).
摘要翻译: 本发明提供了一种成像装置,包括具有焦距不同的多个透镜部分的多焦点透镜(210); 用于将由所述多焦点透镜(210)形成的图像转换为要作为图像信号输出的电信号的成像装置(29) 计算单元(33),用于根据预定的补偿功能对来自所述成像装置(29)的所述图像信号执行加权计算处理,以输出补偿图像信号作为输出图像信号,并且其中所述补偿函数是 相对于与由所述多焦点透镜(210)构成的光学系统隔开预定距离的物体,基于点扩散函数获得的反函数。
-
2.
公开(公告)号:US08537249B2
公开(公告)日:2013-09-17
申请号:US13215256
申请日:2011-08-23
申请人: Takuya Imaoka , Kyoichi Miyazaki
发明人: Takuya Imaoka , Kyoichi Miyazaki
CPC分类号: G02B15/161 , H04N5/2254
摘要: A zoom lens system of lens units, the system including, in object-side-to-image-side order: a first lens unit having positive optical power; a second lens unit; an aperture diaphragm; one or more additional lens units, with a first of the additional lens units being a first focusing-lens unit having negative optical power and moving along the optical axis in the zoom lens system focusing; an image blur compensating lens unit, adjacent the first focusing-lens unit and movable in a direction perpendicular to the optical axis in order to optically compensate image blur; with the lens system satisfying: 0.1
摘要翻译: 一种透镜单元的变焦透镜系统,该系统包括:物体侧到图像侧的顺序:具有正光焦度的第一透镜单元; 第二透镜单元; 孔径光阑; 一个或多个附加透镜单元,其中第一个附加透镜单元是具有负光焦度并在变焦透镜系统聚焦中沿光轴移动的第一聚焦透镜单元; 图像模糊补偿透镜单元,与第一聚焦透镜单元相邻并且可以在垂直于光轴的方向上移动,以便光学地补偿图像模糊; 透镜系统满足:0.1 <(T1 + T2)/ H <2.0(T1是第一透镜单元的轴向厚度,T2是第二透镜单元的轴向厚度,H是图像的高度,变焦 透镜系统形成在变焦透镜系统的图像侧端部上的图像表面上)。
-
3.
公开(公告)号:US08279529B2
公开(公告)日:2012-10-02
申请号:US12416588
申请日:2009-04-01
申请人: Kyoichi Miyazaki , Katsu Yamada , Takuya Imaoka , Masaki Sampei
发明人: Kyoichi Miyazaki , Katsu Yamada , Takuya Imaoka , Masaki Sampei
IPC分类号: G02B15/14
CPC分类号: G03B17/14 , G02B3/0087 , G02B13/18 , G02B15/177 , G02B27/0037
摘要: A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit and further that can compensate an image blur caused by vibration applied to the entire system. The zoom lens system according to the present invention comprises a plurality of lens units and an aperture diaphragm arranged in the lens unit. The plurality of lens units include: a negative lens unit that is arranged on an object side relative to the aperture diaphragm and provided with negative optical power having an absolute value greatest in the entire system and that moves in a direction along an optical axis at the time of zooming; a focusing lens unit that is arranged in an optical path between the negative lens unit and the aperture diaphragm and that moves in a direction along the optical axis at the time of focusing such that an interval relative to the negative lens unit should vary; and an image blur compensation lens unit that is arranged on the image side relative to the focusing lens unit and that moves in a direction perpendicular to the optical axis when the image blur caused by vibration in the zoom lens system should be compensated.
摘要翻译: 提供一种变焦透镜系统,其包括紧凑构造的聚焦透镜单元,并且抑制了聚焦透镜单元移动时的图像放大率的变化,并且还可以补偿由施加到整个系统的振动引起的图像模糊 。 根据本发明的变焦透镜系统包括布置在透镜单元中的多个透镜单元和孔径光阑。 多个透镜单元包括:负透镜单元,其相对于孔径光阑布置在物体侧,并且在整个系统中具有绝对值最大的负光焦度,并且在沿着光轴的方向上移动 缩放时间; 聚焦透镜单元,布置在负透镜单元和孔径光阑之间的光路中,并且在聚焦时沿着光轴的方向移动,使得相对于负透镜单元的间隔应变化; 以及图像模糊补偿透镜单元,其被配置在相对于聚焦透镜单元的像侧,并且当应当补偿由变焦透镜系统中的振动引起的图像模糊时,在垂直于光轴的方向上移动。
-
4.
公开(公告)号:US08189074B2
公开(公告)日:2012-05-29
申请号:US12416452
申请日:2009-04-01
IPC分类号: G02B15/12
CPC分类号: G02B15/177
摘要: A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit. The zoom lens system according to the present invention comprises a plurality of lens units and an aperture diaphragm arranged in the lens unit. The plurality of lens units include: a negative lens unit that is arranged on an object side relative to the aperture diaphragm and provided with negative optical power having an absolute value greatest in the entire system and that moves in a direction along an optical axis at the time of zooming; and a focusing lens unit that is arranged in an optical path between the negative lens unit and the aperture diaphragm and that moves in a direction along the optical axis at the time of focusing such that an interval relative to the negative lens unit should vary.
摘要翻译: 提供一种变焦透镜系统,其包括紧凑构造的聚焦透镜单元,并且在聚焦透镜单元移动时具有抑制的图像放大率的变化。 根据本发明的变焦透镜系统包括布置在透镜单元中的多个透镜单元和孔径光阑。 多个透镜单元包括:负透镜单元,其相对于孔径光阑布置在物体侧,并且在整个系统中具有绝对值最大的负光焦度,并且在沿着光轴的方向上移动 缩放时间; 以及聚焦透镜单元,其布置在负透镜单元和孔径光阑之间的光路中,并且在聚焦时沿着光轴的方向移动,使得相对于负透镜单元的间隔应当变化。
-
5.
公开(公告)号:US20100091172A1
公开(公告)日:2010-04-15
申请号:US12416452
申请日:2009-04-01
CPC分类号: G02B15/177
摘要: A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit. The zoom lens system according to the present invention comprises a plurality of lens units and an aperture diaphragm arranged in the lens unit. The plurality of lens units include: a negative lens unit that is arranged on an object side relative to the aperture diaphragm and provided with negative optical power having an absolute value greatest in the entire system and that moves in a direction along an optical axis at the time of zooming; and a focusing lens unit that is arranged in an optical path between the negative lens unit and the aperture diaphragm and that moves in a direction along the optical axis at the time of focusing such that an interval relative to the negative lens unit should vary.
摘要翻译: 提供一种变焦透镜系统,其包括紧凑构造的聚焦透镜单元,并且在聚焦透镜单元移动时具有抑制的图像放大率的变化。 根据本发明的变焦透镜系统包括布置在透镜单元中的多个透镜单元和孔径光阑。 多个透镜单元包括:负透镜单元,其相对于孔径光阑布置在物体侧,并且在整个系统中具有绝对值最大的负光焦度,并且在沿着光轴的方向上移动 缩放时间; 以及聚焦透镜单元,其布置在负透镜单元和孔径光阑之间的光路中,并且在聚焦时沿着光轴的方向移动,使得相对于负透镜单元的间隔应当变化。
-
6.
公开(公告)号:US08786958B2
公开(公告)日:2014-07-22
申请号:US13334071
申请日:2011-12-22
申请人: Takuya Imaoka
发明人: Takuya Imaoka
IPC分类号: G02B15/14
CPC分类号: G02B27/646 , G02B15/177 , G02B15/20
摘要: A zoom lens system, in order from an object side to an image side, comprising a first lens unit having negative optical power, a second lens unit having positive optical power, a third lens unit having negative optical power, and a fourth lens unit having positive optical power, wherein the third lens unit moves along an optical axis in focusing from an infinity in-focus condition to a close-object in-focus condition, and the conditions: 0.5
摘要翻译: 一种从物体侧到像侧的变焦透镜系统,包括具有负光焦度的第一透镜单元,具有正光焦度的第二透镜单元,具有负光焦度的第三透镜单元和具有负光焦度的第四透镜单元, 正光学功率,其中第三透镜单元在从无限远对焦条件聚焦到光轴的情况下沿光轴移动,并且条件为:0.5 <| f3 / fW | <2.0和0.005
-
公开(公告)号:US08451547B2
公开(公告)日:2013-05-28
申请号:US12992999
申请日:2009-04-17
申请人: Takuya Imaoka
发明人: Takuya Imaoka
CPC分类号: G02B13/06 , G02B9/12 , G02B13/0035 , G02B13/04 , G02B13/18
摘要: An easily manufacturable wide angle lens with less possibility of distortion even using a small number of lenses has a first lens which is a spherical meniscus lens having negative power and whose convex surface faces an object; the second lens which is an aspherical meniscus lens having negative power along an optical axis and has positive power off the optical axis and whose convex surface faces the object side; the third lens having positive power in order from an object side, and an aperture. The Abbe number of the second lens is 30 or less; the ratio between the diagonal length of an imaging device placed on an image plane and the focal length of the whole lens system is 0.26 or less; and the ratio between the focal length of the third lens and the focal length of the whole lens system is less than 1.5.
摘要翻译: 即使使用少量透镜,也可以产生失真的容易制造的广角镜头具有第一透镜,其是具有负光焦度并且其凸面朝向物体的球面弯月透镜; 第二透镜,其是沿着光轴具有负功率并且具有从光轴偏离的正电力并且其凸面面向物体侧的非球面弯月透镜; 第三透镜从物体侧起依次具有正的光焦度和光圈。 第二透镜的阿贝数为30以下; 放置在图像平面上的成像装置的对角线长度与整个透镜系统的焦距之间的比率为0.26以下; 并且第三透镜的焦距与整个透镜系统的焦距之间的比率小于1.5。
-
8.
公开(公告)号:US20120257100A1
公开(公告)日:2012-10-11
申请号:US13441007
申请日:2012-04-06
申请人: Takuya Imaoka , Koji Hoshi , Hitoshi Hagimori
发明人: Takuya Imaoka , Koji Hoshi , Hitoshi Hagimori
摘要: An inner focus lens, in order from an object side to an image side, comprising: a first lens unit having positive optical power; a second lens unit having negative optical power; and a third lens unit having positive optical power, wherein the second lens unit is moved along an optical axis so that focusing from an infinite-distance object side to a short-distance object side is achieved, the first lens unit includes a bi-convex air lens, and the following conditions: 0.65
摘要翻译: 一种内对焦透镜,从物体侧到像侧依次包括:具有正光焦度的第一透镜单元; 具有负光焦度的第二透镜单元; 以及具有正光焦度的第三透镜单元,其中所述第二透镜单元沿着光轴移动,从而实现从无限距离物体侧到短距离物体侧的聚焦,所述第一透镜单元包括双凸起 空气透镜和以下条件:0.65 <| f2 / f | <5.00和0.5
-
公开(公告)号:US08279531B2
公开(公告)日:2012-10-02
申请号:US12646010
申请日:2009-12-23
IPC分类号: G02B15/14
CPC分类号: G02B15/177 , G02B27/646
摘要: A zoom lens system, in order from an object side to an image side, comprising a first lens unit having negative optical power, a second lens unit having positive optical power, and at least one subsequent lens unit having optical power, wherein in zooming from a wide-angle limit to a telephoto limit, the lens units are moved along an optical axis such that an air space between at least any two lens units among the lens units should vary, so that variable magnification is achieved, wherein the first lens unit includes a lens element having a reflecting surface for bending a light beam incident from the object, and wherein the condition is satisfied: 0.20
摘要翻译: 一种变焦透镜系统,从物体侧到像侧依次包括具有负光焦度的第一透镜单元,具有正光焦度的第二透镜单元和具有光焦度的至少一个后续透镜单元,其中, 对远摄限制的广角限制,透镜单元沿着光轴移动,使得透镜单元中的至少任意两个透镜单元之间的空气空间应当变化,从而实现可变放大倍率,其中第一透镜单元 包括具有用于弯曲从物体入射的光束的反射表面的透镜元件,并且其中满足条件:0.20 <| fG1 | / fT <0.52(fT /fW≥4.0,fG1是第一 透镜单元,并且fT和fW中的每一个是整个系统在远摄极限或广角限制下的焦距),提供成像装置和照相机。
-
10.
公开(公告)号:US08243170B2
公开(公告)日:2012-08-14
申请号:US12416385
申请日:2009-04-01
申请人: Kyoichi Miyazaki , Katsu Yamada , Takuya Imaoka , Masaki Sampei
发明人: Kyoichi Miyazaki , Katsu Yamada , Takuya Imaoka , Masaki Sampei
CPC分类号: G02B15/173
摘要: A zoom lens system is provided that includes a compactly constructed focusing lens unit and that has a suppressed change in the image magnification at the time of movement of a focusing lens unit. The zoom lens system according to the present invention, in order from an object side to an image side, comprises: a first lens unit having positive optical power; a second lens unit having negative optical power; a third lens unit having positive optical power; and an aperture diaphragm. At the time of zooming, the zoom lens system moves the first to third lens units so that intervals between these lens units vary. At the time of focusing from an infinity in-focus condition to a close-point object in-focus condition, the zoom lens system moves the third lens unit to the object side.
摘要翻译: 提供一种变焦透镜系统,其包括紧凑构造的聚焦透镜单元,并且在聚焦透镜单元移动时具有抑制的图像放大率的变化。 根据本发明的变焦透镜系统,从物体侧到像侧依次包括:具有正光焦度的第一透镜单元; 具有负光焦度的第二透镜单元; 具有正光焦度的第三透镜单元; 和孔径光阑。 在变焦时,变焦透镜系统移动第一至第三透镜单元,使得这些透镜单元之间的间隔变化。 在从无限远对焦状态聚焦到近距离物体对焦状态时,变焦透镜系统将第三透镜单元移动到物体侧。
-
-
-
-
-
-
-
-
-