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公开(公告)号：US20070024984A1
公开(公告)日：2007-02-01
申请号：US10556753
申请日：2005-02-15
申请人： Yoshito Iwasawa
发明人： Yoshito Iwasawa
IPC分类号： G02B15/14
CPC分类号： G02B15/177 , G02B5/04
摘要： The present invention is directed to a zoom lens used for image pick-up optical system of digital still camera, or video camera, and is composed, in order from the object side, of a first group GR1 including a reflection member for bending or folding the optical axis and having negative refractive power, a second group GR2 having negative refractive power, a third group GR3 having positive refractive power, and a fourth group GR4 having positive refractive power, wherein a light quantity adjustment member ST1 for adjusting light quantity is fixed during zooming operation.
摘要翻译： 本发明涉及一种用于数字静态照相机或摄像机的摄像光学系统的变焦透镜，并且从物体侧起依次包括第一组GR1，其包括用于弯曲的反射构件或 折叠光轴并具有负屈光力，具有负屈光力的第二组GR 2，具有正折光力的第三组GR 3和具有正屈光力的第四组GR 4，其中，用于 在变焦操作期间调整光量是固定的。
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公开(公告)号：US07170558B2
公开(公告)日：2007-01-30
申请号：US10395084
申请日：2003-03-25
申请人： Satoshi Yokota , Akira Kosaka , Toshiyuki Tanaka , Yoshihiro Hara , Kazuaki Matsui , Sadanobu Ueda , Yoshito Iwasawa
发明人： Satoshi Yokota , Akira Kosaka , Toshiyuki Tanaka , Yoshihiro Hara , Kazuaki Matsui , Sadanobu Ueda , Yoshito Iwasawa
IPC分类号： H04N9/07
CPC分类号： H04N5/2254
摘要： A digital camera which allows to make thickness, height and width of its camera body small. The camera has a first optical member for generally perpendicularly bending a first optical axis of light coming from an object through a lens opening part, a second optical member for bending a second optical axis of light coming from the first optical member, and an image taking element having a light receiving surface for receiving a third optical axis of light coming from the second optical member in which the light receiving surface crosses the third optical axis of light. The third optical axis of light is included in a plane which is different from a plane including both of the first optical axis of light and the second optical axis thereof.
摘要翻译： 数码相机允许其相机机身的厚度，高度和宽度较小。 照相机具有第一光学构件，用于大体垂直地弯曲来自物体的光的第一光轴通过透镜开口部分，第二光学构件用于弯曲来自第一光学构件的第二光轴，以及图像摄取 元件具有用于接收来自第二光学构件的第三光轴的光接收表面，其中光接收表面穿过第三光轴。 光的第三光轴包括在不同于包括第一光轴和第二光轴的平面的平面中。
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公开(公告)号：US20070014030A1
公开(公告)日：2007-01-18
申请号：US11505830
申请日：2006-08-18
IPC分类号： G02B15/14
CPC分类号： G02B15/177
摘要： Disclosed is a zoom lens having 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 arranged in the mentioned order from an object side, wherein the first lens group includes a negative lens and a positive lens having at least one aspherical surface arranged in the mentioned order from the object side and satisfies a following inequality (1): 0.4
摘要翻译： 公开了具有负屈光力的第一透镜组，具有正屈光力的第二透镜组的变焦透镜和从物体侧按照上述顺序布置的具有正折光力的第三透镜组，其中第一透镜 组包括负透镜和正透镜，其具有从物体侧按照上述顺序布置的至少一个非球面，并且满足以下不等式（1）：<？in-line-formula description =“In-line formula”end = “lead”？> 0.4
其中D1表示第一透镜组内的距离 最靠近物体的透镜表面和最靠近图像的透镜表面，fw表示与变焦透镜设置在广角位置的焦距。 -
公开(公告)号：US08526119B2
公开(公告)日：2013-09-03
申请号：US13046965
申请日：2011-03-14
申请人： Yoshito Iwasawa
发明人： Yoshito Iwasawa
IPC分类号： G02B15/14
CPC分类号： G02B15/17
摘要： A zoom lens includes a first lens group including an optical path change member that changes an optical path, a second lens group including at least one negative lens and at least one positive lens, and lens groups having a positive refractive power. The first lens group is closer to an object side of the zoom lens and is fixed relative to an image plane during a zooming operation. The second lens group is adapted to move during the zooming operation. Each of the lens groups includes at least one positive lens, and the lens groups are closer to an image plane side of the zoom lens. The zoom lens satisfies vdLP>71, vdL2p 1.71, wherein “vdLP” is an Abbe number, “vdL2p” is an Abbe number, and “ndL2m” is a refractive index.
摘要翻译： 变焦透镜包括包括改变光路的光路改变部件的第一透镜组，包括至少一个负透镜和至少一个正透镜的第二透镜组以及具有正屈光力的透镜组。 第一透镜组更靠近变焦透镜的物体侧，并且在变焦操作期间相对于像平面固定。 第二透镜组适于在变焦操作期间移动。 每个透镜组包括至少一个正透镜，并且透镜组更靠近变焦透镜的像面侧。 变焦透镜满足vdLP> 71，vdL2p <40，ndL2m> 1.71，其中“vdLP”是阿贝数，“vdL2p”是阿贝数，“ndL2m”是折射率。
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公开(公告)号：US08085480B2
公开(公告)日：2011-12-27
申请号：US12903385
申请日：2010-10-13
申请人： Yoshito Iwasawa , Tsuyoshi Kakimoto
发明人： Yoshito Iwasawa , Tsuyoshi Kakimoto
IPC分类号： G02B15/14
CPC分类号： G02B15/173 , G02B9/34
摘要： A zoom lens including a first lens group having a negative refractive power, including a negative lens and a positive lens and having at least one aspherical surface, a second lens group having a positive refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power. During, zooming from a wide angle position to a telephoto position, the first lens group is moved so that the first lens group at the telephoto position is closer to the object side than the first lens group at the wide angle position, the second lens group is moved, the third lens group is moved toward the object side from the image side, and the fourth lens group is moved so that the distance between the third lens group and the fourth lens group at the telephoto position is larger than the distance therebetween at the wide angle position, and the zoom lens satisfies the following Equations: vdG1−p>56.0 2.1
摘要翻译： 一种变焦透镜，包括具有负折射力的第一透镜组，包括负透镜和正透镜，并且具有至少一个非球面，具有正屈光力的第二透镜组，具有正屈光力的第三透镜组， 以及具有正屈光力的第四透镜组。 在从广角位置变焦到望远位置时，移动第一透镜组，使得在远摄位置处的第一透镜组比广角位置处的第一透镜组更靠近物体侧，第二透镜组 被移动，第三透镜组从图像侧向物体侧移动，并且第四透镜组移动，使得在远摄位置处的第三透镜组和第四透镜组之间的距离大于它们之间的距离 广角位置和变焦镜头满足以下等式：vdG1-p> 56.0 2.1 <|＆bgr; 3T /＆bgr; 3W | <5.5，其中vdG1-p是第一透镜组的正透镜的阿贝数 ，3T是第三透镜组在远摄位置的放大倍数，3W分别是第三透镜组在广角位置的放大率。
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公开(公告)号：US08009972B2
公开(公告)日：2011-08-30
申请号：US12805988
申请日：2010-08-27
申请人： Daisuke Kuroda , Yoshito Iwasawa , Makoto Kanai
发明人： Daisuke Kuroda , Yoshito Iwasawa , Makoto Kanai
CPC分类号： G02B27/646 , G02B13/0035 , G02B13/0045 , G02B13/006 , G02B13/0065 , G02B13/007 , G02B13/009 , G02B15/173
摘要： An imaging apparatus and imaging lens device comprises a light path folding optical system having a reflector that folds the optical axis incident perpendicular to the gravitational direction toward the gravitational direction. An imaging element converts an image formed by the light path folding optical system into an electrical signal. A drive unit moves a shake correction lens group including at least one lens in the direction perpendicular to a vertical optical axis, the vertical optical axis being folded toward the gravitational direction by the reflector, wherein the shake correction lens group is moved in the direction perpendicular to the vertical optical axis to move the image in the direction perpendicular to the vertical optical axis.
摘要翻译： 成像装置和成像透镜装置包括光路折叠光学系统，该光学系统具有将垂直于重力入射的光轴朝向重力方向折射的反射器。 成像元件将由光路折叠光学系统形成的图像转换为电信号。 驱动单元使垂直于垂直光轴的方向移动包括至少一个透镜的抖动校正透镜组，垂直光轴被反射器朝向重力方向折叠，其中抖动校正透镜组沿垂直方向移动 垂直于垂直光轴移动图像。
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公开(公告)号：US07990623B2
公开(公告)日：2011-08-02
申请号：US11597521
申请日：2006-02-24
CPC分类号： G02B15/173 , G02B5/04 , G02B27/646
摘要： An object is to reduce the effect of defocusing due to the movement of an image plane when a shifting lens group movable in a direction perpendicular to the optical axis for correcting hand jiggling is positionally deviated along the optical axis, thereby maintaining high optical performance at the time of correcting hand jiggling. A zoom lens 1 includes a plurality of lens groups with distances between the lens groups being changed for variable power. A final lens group L5 which is positioned most closely to an image side has a sub lens group GS (G8) having a positive refractive power and a sub lens group GR (G9) disposed adjacent to the sub lens group GS (G8) on the image side and having a positive refractive power. The sub lens group GS is shiftable in a direction perpendicular to the optical axis for correcting image blurs. The sub lens group GS has a lateral magnification βs and the sub lens group GR has a lateral magnification βR, the lateral magnifications satisfying the following conditional expressions (1), (2): βs
摘要翻译： 目的是为了在沿着与光轴垂直的方向移动的移动透镜组沿着光轴位移偏移的移动透镜组时，由于图像平面的移动而减小散焦的影响，从而保持高的光学性能 纠正手抖动的时间。 变焦镜头1包括多个透镜组，透镜组之间的距离为可变功率而改变。 最靠近图像侧的最终透镜组L5具有正透镜组的副透镜组GS（G8）和与子透镜组GS（G8）相邻配置的副透镜组GR（G9） 并且具有正的屈光力。 子透镜组GS可以在垂直于光轴的方向上移位以校正图像模糊。 副透镜组GS具有横向放大倍率，副透镜组GR具有横向放大率b，横向放大倍数满足以下条件表达式（1），（2）：＆bgr; s <1（1） 0 <＆bgr; R <1（2）
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公开(公告)号：US20100322607A1
公开(公告)日：2010-12-23
申请号：US12805988
申请日：2010-08-27
申请人： Daisuke Kuroda , Yoshito Iwasawa , Makoto Kanai
发明人： Daisuke Kuroda , Yoshito Iwasawa , Makoto Kanai
CPC分类号： G02B27/646 , G02B13/0035 , G02B13/0045 , G02B13/006 , G02B13/0065 , G02B13/007 , G02B13/009 , G02B15/173
摘要： An imaging apparatus and imaging lens device comprises a light path folding optical system having a reflector that folds the optical axis incident perpendicular to the gravitational direction toward the gravitational direction. An imaging element converts an image formed by the light path folding optical system into an electrical signal. A drive unit moves a shake correction lens group including at least one lens in the direction perpendicular to a vertical optical axis, the vertical optical axis being folded toward the gravitational direction by the reflector, wherein the shake correction lens group is moved in the direction perpendicular to the vertical optical axis to move the image in the direction perpendicular to the vertical optical axis.
摘要翻译： 成像装置和成像透镜装置包括光路折叠光学系统，该光学系统具有将垂直于重力入射的光轴朝向重力方向折射的反射器。 成像元件将由光路折叠光学系统形成的图像转换为电信号。 驱动单元使垂直于垂直光轴的方向移动包括至少一个透镜的抖动校正透镜组，垂直光轴被反射器朝向重力方向折叠，其中抖动校正透镜组沿垂直方向移动 垂直于垂直光轴移动图像。
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公开(公告)号：US07809256B2
公开(公告)日：2010-10-05
申请号：US11491081
申请日：2006-07-24
申请人： Daisuke Kuroda , Yoshito Iwasawa , Makoto Kanai
发明人： Daisuke Kuroda , Yoshito Iwasawa , Makoto Kanai
CPC分类号： G02B27/646 , G02B13/0035 , G02B13/0045 , G02B13/006 , G02B13/0065 , G02B13/007 , G02B13/009 , G02B15/173
摘要： The invention aims to achieve slim design by employing a light path folding optical system, add a hand-shake correction capability, and lower power consumption. An imaging lens device includes a light path folding optical system having a reflector that folds the optical axis incident perpendicular to the gravitational direction toward the gravitational direction, and an imaging element that converts an image formed by the light path folding optical system into an electrical signal. The imaging lens device also includes drive means that moves some of lens groups or one lens (hereinafter referred to as “shake correction lens group”) in the direction perpendicular to the optical axis folded toward the gravitational direction by the reflector (hereinafter referred to as “vertical optical axis”). The shake correction lens group is moved in the direction perpendicular to the vertical optical axis to move the image in the direction perpendicular to the vertical optical axis.
摘要翻译： 本发明旨在通过采用光路折叠光学系统来实现纤薄设计，增加手抖校正能力和降低功耗。 一种成像透镜装置包括光路折叠光学系统，该光路折叠光学系统具有使朝向重力方向垂直于重力入射的光轴折射的反射器，以及将由光路折叠光学系统形成的图像转换为电信号的摄像元件 。 成像透镜装置还包括驱动装置，该驱动装置沿着与通过反射器朝向重力方向折叠的光轴垂直的方向移动一些透镜组或一个透镜（以下称为“抖动校正透镜组”）（以下称为“抖动校正透镜组” “垂直光轴”）。 抖动校正透镜组在垂直于垂直光轴的方向上移动，以沿与垂直光轴垂直的方向移动图像。
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公开(公告)号：US20090324207A1
公开(公告)日：2009-12-31
申请号：US11597521
申请日：2006-02-24
CPC分类号： G02B15/173 , G02B5/04 , G02B27/646
摘要： An object is to reduce the effect of defocusing due to the movement of an image plane when a shifting lens group movable in a direction perpendicular to the optical axis for correcting hand jiggling is positionally deviated along the optical axis, thereby maintaining high optical performance at the time of correcting hand jiggling. A zoom lens 1 includes a plurality of lens groups with distances between the lens groups being changed for variable power. A final lens group L5 which is positioned most closely to an image side has a sub lens group GS (G8) having a positive refractive power and a sub lens group GR (G9) disposed adjacent to the sub lens group GS (G8) on the image side and having a positive refractive power. The sub lens group GS is shiftable in a direction perpendicular to the optical axis for correcting image blurs. The sub lens group GS has a lateral magnification βs and the sub lens group GR has a lateral magnification βR, the lateral magnifications satisfying the following conditional expressions (1), (2): βs
摘要翻译： 目的是为了在沿着与光轴垂直的方向移动的移动透镜组沿着光轴位移偏移的移动透镜组时，由于图像平面的移动而减小散焦的影响，从而保持高的光学性能 纠正手抖动的时间。 变焦镜头1包括多个透镜组，透镜组之间的距离为可变功率而改变。 最靠近图像侧的最终透镜组L5具有正透镜组的副透镜组GS（G8）和与子透镜组GS（G8）相邻配置的副透镜组GR（G9） 并且具有正的屈光力。 子透镜组GS可以在垂直于光轴的方向上移位以校正图像模糊。 副透镜组GS具有横向放大倍数β，副透镜组GR具有横向倍率βR，横向放大倍数满足以下条件表达式（1），（2）：betas 0
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