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公开(公告)号：US12164090B2
公开(公告)日：2024-12-10
申请号：US17973025
申请日：2022-10-25
Applicant: TAMRON CO., LTD.
Inventor： Yoshito Iwasawa
IPC: G02B15/14 , H04N23/959
Abstract: A situation grasping means configured to grasp a situation of a moving body, an optical system mounted on the moving body, and a focusing group configured to change an imaging position of the optical system are provided, and the imaging position is changed to a position calculated from a setting value for setting the imaging position according to a situation of the moving body and a situation of the moving body grasped by the situation grasping means, and the optical system satisfies a predetermined conditional expression. Furthermore, the moving body includes the imaging apparatus.
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公开(公告)号：US20190302432A1
公开(公告)日：2019-10-03
申请号：US16222268
申请日：2018-12-17
Applicant: Tamron Co., Ltd.
Inventor： Yoshito Iwasawa , Hisayuki Yamanaka , Keisuke Okada , Junichi Yamazoe
IPC: G02B15/177 , G02B27/64 , G02B13/18 , G02B13/02
Abstract: A zoom lens including a front group and a rear group, wherein a lens group arranged on an object side of a widest air interval at a wide-angle end is defined as the front group and a lens group arranged on an image side of the widest air interval at the wide-angle end is defined as the rear group, the front group having a negative refractive power, the rear group having a positive refractive power. Changing focal length from the wide-angle end to the telephoto end is performed by changing an air interval between the lens groups.
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公开(公告)号：US20150338620A1
公开(公告)日：2015-11-26
申请号：US14409670
申请日：2013-06-24
Applicant: Tamron Co., Ltd.
Inventor： Yoshito Iwasawa
CPC classification number: G02B13/009 , G02B9/00 , G02B9/60 , G02B9/62 , G02B13/18 , G02B15/14 , G02B15/16 , G02B15/173 , G02B27/0025 , H04N5/225
Abstract: Provided are: a zoom lens which exhibits a large variable-power ratio, an increased degree of freedom with respect to aberration correction, and which has been achieved having a sufficient reduction in size in the optical axis direction; and an imaging device equipped therewith. The zoom lens includes at least, from the object side, a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, a fourth lens group, and a fifth lens group, in that order. In the zoom lens, prescribed conditions are satisfied.
Abstract translation: 本发明提供：具有大的可变功率比的变焦透镜，相对于像差校正的增加的自由度，并且已经实现了在光轴方向上具有足够的尺寸的减小; 以及配备有该成像装置的成像装置。 变焦透镜至少包括物体侧具有正屈光力的第一透镜组，具有负屈光力的第二透镜组，具有正屈光力的第三透镜组，第四透镜组和第五透镜组， 以该顺序。 在变焦镜头中，满足规定的条件。
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公开(公告)号：US10921571B2
公开(公告)日：2021-02-16
申请号：US16092108
申请日：2016-06-30
Applicant: Tamron Co., Ltd.
Inventor： Yoshito Iwasawa
Abstract: A small observation optical system having a high resolution, an observation imaging device that includes the observation optical system, an observation imaging system, an image forming lens system, and a method of adjusting the observation optical system. The observation optical system includes an objective lens system G1 and an image forming lens system G2, sequentially from the observation object side, and the image forming lens system G2 forms an observation object image forms through the objective lens system G1, on an image plane IP of an image sensor, and satisfies predetermined condition.
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公开(公告)号：US09477069B2
公开(公告)日：2016-10-25
申请号：US15013276
申请日：2016-02-02
Applicant: TAMRON CO., LTD
Inventor： Yoshito Iwasawa
CPC classification number: G02B13/009 , G02B9/00 , G02B9/60 , G02B9/62 , G02B13/18 , G02B15/14 , G02B15/16 , G02B15/173 , G02B27/0025 , H04N5/225
Abstract: Provided are: a zoom lens which exhibits a large variable-power ratio, an increased degree of freedom with respect to aberration correction, and which has been achieved having a sufficient reduction in size in the optical axis direction; and an imaging device equipped therewith. The zoom lens includes at least, from the object side, a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, a fourth lens group, and a fifth lens group, in that order. In the zoom lens, prescribed conditions are satisfied.
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Patent Agency Ranking
公开(公告)号：US09256058B2
公开(公告)日：2016-02-09
申请号：US14284630
申请日：2014-05-22
Applicant: Tamron Co., Ltd.
Inventor： Yoshito Iwasawa
CPC classification number: G02B15/20 , G02B7/08 , G02B7/10 , G02B15/17 , G02B15/173
Abstract: The zoom lens is composed of: an object side lens group at least including, in order from an object side: a first lens group G1 having positive refractive power; and a second lens group G2 having negative refractive power; and an image focusing side lens group including, in order from the object side: a negative lens group A having negative refractive power; and a negative lens group B arranged by facing the negative lens group A across an air distance, having negative refractive power. In the zoom lens, focusing from infinity to a close object is achieved by moving just the negative lens group A toward an image focusing side to satisfy a conditional expression below: [Expression 1] −1.80
Abstract translation: 变焦透镜由以下部分构成：物体侧透镜组，从物体侧开始依次具有：具有正折射光焦度的第一透镜组G1; 和具有负屈光力的第二透镜组G2; 以及图像聚焦侧透镜组，其包括从物体侧起依次具有负折射力的负透镜组A; 以及负透镜组B，其通过面对负透镜组A而跨越具有负屈光力的空气距离。 在变焦透镜中，通过将负透镜组A朝向图像聚焦侧移动以满足下面的条件表达式来实现从无穷远到闭合对象的对焦：[表达式1] -1.80 <＆bgr 2t <-0.94（1） （1＆bgr; At2）×＆bgr; Bt2 <-4.5（2）其中“＆bgr; 2t”是无限远聚焦中第二透镜组的远摄端的横向放大倍数，“＆bgr; At”是长焦时的横向放大倍率 在无限远聚焦中，负透镜组A的端部，“＆bgr; Bt”是负透镜组B的远摄端在无限远聚焦中的横向放大率。
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公开(公告)号：US09148576B2
公开(公告)日：2015-09-29
申请号：US14283680
申请日：2014-05-21
Applicant: Tamron Co., Ltd.
Inventor： Yoshito Iwasawa
IPC: G02B15/14 , H04N5/232 , G02B15/173
CPC classification number: H04N5/23296 , G02B15/173
Abstract: The zoom lens includes at least, in order from an object side: a first lens group G1 having positive refractive power; a second lens group G2 having negative refractive power; a third lens group G3 having positive refractive power; a fourth lens group G4 having negative refractive power; and a fifth lens group G5 having negative refractive power. In the zoom lens, focusing from infinity to a proximity of object is achieved by movement of just fourth lens group toward an image focusing side and is characterized in Satisfaction of expressions below: [Expression 1] 2.1
Abstract translation: 变焦透镜至少包括从物体侧开始的顺序：具有正折射光焦度的第一透镜组G1; 具有负屈光力的第二透镜组G2; 具有正屈光力的第三透镜组G3; 具有负屈光力的第四透镜组G4; 以及具有负屈光力的第五透镜组G5。 在变焦透镜中，通过仅将第四透镜组朝向图像聚焦侧的移动实现从无限远到对象的接近，并且其特征在于以下表达式的满足：[表达式1] 2.1 <＆bgr; rt <3.5（1） -1.80 <＆bgr; 2t <-0.94（2）其中“＆bgr rt”是在无限远聚焦下位于比第三透镜组更靠近图像聚焦侧的透镜组的远摄端处的复合横向放大倍数，“＆bgr; 2t “是在无限远聚焦的第二透镜组的远摄端处的横向放大率。
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公开(公告)号：US20150177498A1
公开(公告)日：2015-06-25
申请号：US14409624
申请日：2013-06-24
Applicant: TAMRON CO., LTD
Inventor： Yoshito Iwasawa
CPC classification number: G02B15/16 , G02B13/0015 , G02B13/009 , G02B15/177 , H04N5/23296
Abstract: A zoom lens exhibits a reduction in size, increased magnification, a reduction in variation of angle of view during zooming, and an increased focusing speed, said zoom lens being suitable for an imaging apparatus using a solid-state imaging device such as an interchangeable lens, a digital still camera, a digital video camera, or the like. The zoom lens has, in the lens system, at least: a first negative lens group having negative refractive power; a second negative lens group disposed further towards the image side than the first negative lens group, and which has negative refractive power; and a lens group (A) disposed so as to be adjacent to the image side of the second negative lens group. In the zoom lens, focusing from an infinite distance to a near object is performed by moving only the second negative lens group towards the image side, and prescribed conditions are satisfied.
Abstract translation: 变焦镜头的尺寸减小，倍率增加，变焦期间视角变化的减小以及聚焦速度的提高，所述变焦镜头适用于使用诸如可互换镜头的固态成像装置的成像装置 数码相机，数码摄像机等。 变焦透镜在透镜系统中至少具有：具有负屈光力的第一负透镜组; 第二负透镜组，比第一负透镜组进一步朝向像侧设置，并具有负折射力; 以及与第二负透镜组的像侧相邻配置的透镜组（A）。 在变焦透镜中，通过仅使第二负透镜组朝向像侧移动而执行从无限距离到近物体的聚焦，并且满足规定的条件。
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公开(公告)号：US20140184884A1
公开(公告)日：2014-07-03
申请号：US14141011
申请日：2013-12-26
Applicant: TAMRON CO., LTD.
Inventor： Yoshito Iwasawa , Jun Takahashi
IPC: G02B13/00
CPC classification number: G02B15/173 , G02B5/005 , G02B27/0025 , G02B27/646
Abstract: The zoom lens comprises the foremost or first lens group of positive refractive power located the closest to an object, the succeeding second lens group of negative refractive power, and the third lens group of positive refractive power, all arranged in this order, and if any, the rearmost lens group(s) closer to the imaging plane than the third lens group, all or part of the lens group(s) of negative refractive power behind the third lens group being moved in directions normal to the optical axis to serve as an anti-vibration lens for shifting an image. The zoom lens meets requirements as defined in the formula regarding a displacement of the first lens group, a focal length of the zoom lens at the wide-angle end, a focal length of the zoom lens at the telephoto end, and a focal length of the first lens group.
Abstract translation: 变焦透镜包括位于最靠近物体的正折射力的最前面或第一透镜组，负折射光焦度的后续第二透镜组和正屈光力的第三透镜组，全部以该顺序排列，如果有的话 ，比第三透镜组更靠近成像平面的最后面的透镜组，第三透镜组后面的负折射力透镜组的全部或一部分在垂直于光轴的方向上移动以用作 用于移动图像的防振透镜。 变焦透镜满足关于第一透镜组的位移，广角端的变焦透镜的焦距，望远端的变焦透镜的焦距和焦距的公式中定义的要求 第一个镜头组。
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公开(公告)号：US20140184856A1
公开(公告)日：2014-07-03
申请号：US14140702
申请日：2013-12-26
Applicant: TAMRON CO., LTD
Inventor： Yoshito Iwasawa , Jun Takahashi
CPC classification number: G02B15/173 , G02B15/14 , G02B15/16
Abstract: The zoom lens comprises five or more groups of lens pieces, namely, the foremost or first lens group of positive refractive power located the closest to an object, the succeeding second lens group of negative refractive power, the third lens group of positive refractive power, the fourth lens group of positive refractive power, and the fifth lens group all arranged in this order, and if any, the rearmost lens group(s) closer to the imaging plane than the fifth lens group. The zoom lens meets requirements as defined in the formula regarding a synthetic optical power of the fifth lens group and, if any, the rearmost lens group(s) closer to the imaging plane than the fifth lens group while the zoom lens is taking a posture of the telephoto end.
Abstract translation: 变焦透镜包括五组或更多组透镜片，即位于最接近物体的正折射力的最前面或第一透镜组，负屈光力的后续第二透镜组，正屈光力的第三透镜组， 第四透镜组的正屈光力和第五透镜组全部以与第五透镜组相比更靠近成像面的最后面的透镜组顺序排列。 变焦透镜满足如关于第五透镜组的合成光学功率的公式中定义的要求，并且如果有的话，则在变焦透镜正在拍摄姿势时，最接近成像平面的最后面的透镜组比第五透镜组更近 的长焦端。
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