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公开(公告)号：US09285565B2
公开(公告)日：2016-03-15
申请号：US14595237
申请日：2015-01-13
Applicant: FUJIFILM CORPORATION
Inventor： Takuya Tanaka , Michio Cho , Takayuki Noda
CPC classification number: G02B13/0045 , G02B9/60 , G03B13/32
Abstract: An imaging lens, substantially consisting of five lenses, composed of a positive first lens with a convex surface on the object side, a negative second lens with a concave surface on the object side, a third lens having a negative meniscus shape with a convex surface on the object side, a fourth lens having a positive meniscus shape with a concave surface on the object side, and a negative fifth lens with a concave surface on the image side, the image side surface having an aspherical shape with at least one inflection point located inward in a radial direction from the intersection between the image side surface and a principal ray of the maximum angle of view toward the optical axis, disposed in order from the object side, and satisfies given conditional expressions.
Abstract translation: 一种成像透镜，基本上由五个透镜组成，由物体侧具有凸面的正的第一透镜，物体侧具有凹面的负的第二透镜，具有凸面的负弯液面的第三透镜 在物体侧具有在物体侧具有凹面的正弯月形状的第四透镜和在像侧具有凹面的负第五透镜，该像侧表面具有至少一个拐点的非球面形状 从物体侧依次设置从图像侧表面和最大视角的主光线之间的交点向径向内侧，并且满足给定条件表达式。
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公开(公告)号：US09279958B2
公开(公告)日：2016-03-08
申请号：US14300766
申请日：2014-06-10
Applicant: FUJIFILM Corporation
Inventor： Takayuki Noda , Michio Cho
CPC classification number: G02B13/0045 , G02B9/62
Abstract: An imaging lens substantially includes six lenses, constituted by: a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power, a concave surface toward an image side, and at least one inflection point in the surface toward the image side; provided in this order from an object side. The imaging lens satisfies a predetermined conditional formula.
Abstract translation: 成像透镜基本上包括六个透镜，由以下组成：具有负折光力的第一透镜; 具有正屈光力的第二透镜; 具有正屈光力的第三透镜; 具有负屈光力的第四透镜; 具有正屈光力的第五透镜; 以及具有负屈光力的第六透镜，朝向图像侧的凹面，以及朝向图像侧的表面中的至少一个拐点; 从物体侧按此顺序提供。 成像透镜满足预定的条件公式。
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公开(公告)号：US09279957B2
公开(公告)日：2016-03-08
申请号：US14224088
申请日：2014-03-25
Applicant: FUJIFILM CORPORATION
Inventor： Hideo Kanda , Takayuki Noda , Noboru Koizumi , Tatsuyuki Ogino , Michio Cho , Kazumi Koike
CPC classification number: G02B13/0045 , G02B9/60
Abstract: An imaging lens substantially consists of, in order from an object side, five lenses of a first lens that has a positive refractive power and has a meniscus shape which is convex toward the object side, a second lens that has a negative refractive power, a third lens that has a negative refractive power, a fourth lens that has a positive refractive power, and a fifth lens that has a negative refractive power and has an aspheric shape of which an image side surface has an extreme point. Further, the imaging lens satisfies a predetermined conditional expression.
Abstract translation: 成像透镜基本上由物体侧依次包括具有正折光力并具有向物体侧凸出的弯月形状的第一透镜的五个透镜，具有负折光力的第二透镜， 具有负屈光力的第三透镜，具有正折光力的第四透镜和具有负折射光焦度并且具有图像侧表面具有极值点的非球面形状的第五透镜。 此外，成像透镜满足预定条件表达式。
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公开(公告)号：US09235034B2
公开(公告)日：2016-01-12
申请号：US14175431
申请日：2014-02-07
Applicant: FUJIFILM Corporation
Inventor： Shinkichi Ikeda , Michio Cho
CPC classification number: G02B15/14 , G02B13/009 , G02B13/18 , G02B15/17
Abstract: A variable magnification optical system substantially consists of a first lens-group having positive refractive-power, and which is fixed during magnification change, a second lens-group having negative refractive-power, a third lens-group having negative refractive-power, a fourth lens-group having negative refractive-power, an aperture stop, which is fixed during magnification change, and a fifth lens-group having positive refractive-power, and which is fixed during magnification change, in this order from an object-side along an optical-axis. The second, third and fourth lens-groups move in such a manner that a distance between the first lens-group and the second lens-group constantly becomes longer and a distance between the second lens-group and the third lens-group constantly becomes longer, compared with a wide-angle end, and a distance between the third lens-group and the fourth lens-group and a distance between the fourth lens-group and the fifth lens-group change when magnification is changed from the wide-angle end to a telephoto end.
Abstract translation: 可变放大倍率光学系统基本上由具有正折射率的第一透镜组和放大率变化期间固定的第一透镜组，具有负折光力的第二透镜组，具有负折光力的第三透镜组， 具有负折射率的第四透镜组，在放大变化期间固定的孔径光阑以及具有正折光力的第五透镜组，并且在放大变化期间以从物体侧沿着的顺序依次固定 光轴。 第二透镜组和第三透镜组以这样的方式移动，使得第一透镜组和第二透镜组之间的距离恒定地变长，并且第二透镜组和第三透镜组之间的距离恒定地变长 与广角端相比，第三透镜组和第四透镜组之间的距离以及第四透镜组与第五透镜组之间的距离在从广角端变化时发生变化 到远摄端。
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公开(公告)号：US09229203B2
公开(公告)日：2016-01-05
申请号：US14098619
申请日：2013-12-06
Applicant: FUJIFILM Corporation
Inventor： Takashi Tanaka , Michio Cho
CPC classification number: G02B15/16 , G02B13/18 , G02B15/173 , G02B15/20 , G02B27/646 , G03B5/00 , G03B2205/0015 , G03B2205/0046
Abstract: A zoom lens substantially consists of, in order from the object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a negative fifth lens group. When varying magnification, the distances between adjacent lens groups) are changed, while all of the lens groups are moved with respect to an image formation position. When focusing, only the fifth lens group is shifted, and the third lens group has a third-a lens group having positive refractive power and a third-b lens group having negative refractive power, which are arranged in this order from the object side, only the third-b lens group is moved in a direction perpendicular to the optical axis to achieve camera shake correction.
Abstract translation: 变焦透镜基本上由物体侧依次包括正的第一透镜组，负的第二透镜组，正的第三透镜组，正的第四透镜组和负的第五透镜组。 当改变放大倍率时，相邻透镜组之间的距离）改变，而所有透镜组相对于图像形成位置移动。 当聚焦时，只有第五透镜组被移动，并且第三透镜组具有从物体侧依次排列的具有正折光力的第三透镜组和具有负折光力的第三b透镜组， 只有第三b透镜组在垂直于光轴的方向上移动，以实现相机抖动校正。
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Patent Agency Ranking
公开(公告)号：US09207432B2
公开(公告)日：2015-12-08
申请号：US14490040
申请日：2014-09-18
Applicant: FUJIFILM Corporation
Inventor： Takuya Tanaka , Tatsuro Iwasaki , Michio Cho
CPC classification number: G02B9/60 , G02B13/0045
Abstract: An imaging lens substantially consists of five lenses consisting of, in order from the object side: a first lens having a positive refractive power and having a meniscus shape with a convex surface toward the object side; a second lens having a biconcave shape; a third lens having a positive refractive power and having a meniscus shape with a convex surface toward the image side; a fourth lens having a meniscus shape with a convex surface toward the image side; and a fifth lens having a negative refractive power and having a concave surface toward the object side.
Abstract translation: 成像透镜基本上由五个透镜组成，按照从物体侧开始的顺序：具有正折光力并且具有朝向物体侧的凸面的弯月形状的第一透镜; 具有双凹形状的第二透镜; 第三透镜，其具有正的折光力并且具有朝向像侧的凸面的弯月形状; 具有朝向图像侧的凸面的弯液面形状的第四透镜; 以及具有负屈光力并具有朝向物体侧的凹面的第五透镜。
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公开(公告)号：US09201218B2
公开(公告)日：2015-12-01
申请号：US14548317
申请日：2014-11-20
Applicant: FUJIFILM Corporation
Inventor： Takayuki Noda , Michio Cho
CPC classification number: G02B13/0045 , G02B9/60 , G02B13/18
Abstract: An imaging lens is substantially constituted by five lenses, including: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a negative refractive power; a fifth lens having a negative refractive power and an inflection point on the surface thereof toward the image side. All of the first lens through the fifth lens are single lenses, and the imaging lens satisfies predetermined conditional formulae.
Abstract translation: 成像透镜基本上由五个透镜构成，包括：具有正折光力的第一透镜; 具有负屈光力的第二透镜; 具有负屈光力的第三透镜; 具有负屈光力的第四透镜; 具有负屈光力的第五透镜和其表面上的朝向图像侧的拐点。 所有通过第五透镜的第一透镜都是单透镜，并且成像透镜满足预定条件式。
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公开(公告)号：US09170409B2
公开(公告)日：2015-10-27
申请号：US14175333
申请日：2014-02-07
Applicant: FUJIFILM Corporation
Inventor： Hiroki Saito , Michio Cho , Toru Ito
IPC: G02B15/177 , G02B15/16 , G02B27/64
CPC classification number: G02B15/161 , G02B15/177 , G02B27/646 , G03B2205/0046
Abstract: A zoom lens includes: a first lens group having a negative refractive power; and a second lens group having a positive refractive power, provided in this order from an object side. Magnification is changed by moving the first lens group and the second lens group. The first lens group includes a first lens having a negative refractive power, a second lens, a third lens having a negative refractive power, and a fourth lens having a positive refractive power, provided in this order from the object side. The zoom lens satisfies predetermined conditional formulae.
Abstract translation: 变焦透镜包括：具有负屈光力的第一透镜组; 以及具有正屈光力的第二透镜组，从物体侧依次设置。 通过移动第一透镜组和第二透镜组来改变放大率。 第一透镜组包括具有负折光力的第一透镜，第二透镜，具有负折光力的第三透镜和具有正屈光力的第四透镜，从物体侧开始依次设置。 变焦透镜满足预定条件式。
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公开(公告)号：US09063322B2
公开(公告)日：2015-06-23
申请号：US14105860
申请日：2013-12-13
Applicant: FUJIFILM Corporation
Inventor： Michio Cho
IPC: G02B15/14 , G02B15/173
CPC classification number: G02B15/14 , G02B15/173 , G03B2205/0046
Abstract: A zoom lens includes: a first lens group having a positive power; a second lens group having a negative power; a third lens group having a positive power; and a fourth lens group having a negative power, in this order from an object side. All of the groups move along an optical axis such that the distance between the first group and the second group gradually becomes greater, the distance between the second group and the third group gradually becomes smaller, and the distance between the third group and the fourth group gradually becomes greater, when changing magnification from a wide angle to a telephoto end. The zoom lens satisfies the conditional formulae: −2.0
Abstract translation: 变焦透镜包括：具有正功率的第一透镜组; 具有负功率的第二透镜组; 具有正功率的第三透镜组; 以及从物体侧起依次具有负电力的第四透镜组。 所有的组沿着光轴移动，使得第一组和第二组之间的距离逐渐变大，第二组和第三组之间的距离逐渐变小，并且第三组与第四组之间的距离 当从广角向长焦端改变放大倍数时，逐渐变大。 变焦透镜满足条件公式：-2.0
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公开(公告)号：US09036267B2
公开(公告)日：2015-05-19
申请号：US14160716
申请日：2014-01-22
Applicant: FUJIFILM CORPORATION
Inventor： Taiga Noda , Michio Cho
IPC: G02B15/14 , G02B15/173 , G02B27/64 , G03B17/04
CPC classification number: G02B15/14 , G02B15/173 , G02B27/646 , G03B17/04
Abstract: A zoom lens includes a first lens-group having positive refractive power, a second lens-group having negative refractive power, a third lens-group having positive refractive power, and a fourth lens-group having positive refractive power, in this order from an object side, and a stop located between a most image-side surface of the second lens-group and a most image-side surface of the third lens-group. Distances between the lens-groups change when magnification is changed from a wide-angle end to a telephoto end. The second lens-group consists of a negative lens, a biconcave lens and a positive lens in this order from the object side. The third lens-group consists of a positive lens, a cemented lens of a positive lens and a negative lens, a negative meniscus lens with its concave surface facing the object side, and a biconvex lens in this order from the object side. A predetermined conditional formula is satisfied.
Abstract translation: 变焦透镜包括具有正屈光力的第一透镜组，具有负折光力的第二透镜组，具有正屈光力的第三透镜组和具有正屈光力的第四透镜组， 位于第二透镜组的最大像侧表面和第三透镜组的最大像侧表面之间的光阑。 当放大倍率从广角端变为长焦端时，透镜组之间的距离发生变化。 第二透镜组从物体侧依次由负透镜，双凹透镜和正透镜组成。 第三透镜组包括正透镜，正透镜的胶合透镜和负透镜，其凹面朝向物体侧的负弯月形透镜以及从物体侧开始的双凸透镜。 满足预定的条件公式。
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