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公开(公告)号：US09316818B2
公开(公告)日：2016-04-19
申请号：US14173409
申请日：2014-02-05
Applicant: FUJIFILM Corporation
Inventor： Hiroki Saito , Michio Cho , Toru Ito
IPC: G02B13/04 , G02B15/16 , G02B15/177 , G02B13/00 , G02B15/163 , G02B13/18
CPC classification number: G02B13/04 , G02B13/009 , G02B13/18 , G02B15/16 , G02B15/161 , G02B15/163 , G02B15/177
Abstract: In a zoom lens in which a first lens group having a negative refractive power and a second lens group having a positive refractive power are disposed in order from the object side and zooming is performed by moving the first and the second lens groups, the first lens group is formed of 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. Then, when the focal length of the second lens, the focal length of the entire system at the wide angle end, the focal length of the first lens group, and the focal length of the second lens group are taken as fG12, fw, f1, and f2 respectively, the zoom lens is configured to satisfy conditional expressions give below: 0.00
Abstract translation: 在具有负屈光力的第一透镜组和具有正折光力的第二透镜组的变焦透镜中，从物体侧依次设置并且通过移动第一透镜组和第二透镜组来执行变焦，第一透镜 组由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折光力的第四透镜形成。 然后，当第二透镜的焦距，广角端的整个系统的焦距，第一透镜组的焦距和第二透镜组的焦距被取为fG12，fw，f1 和f2，变焦镜头被配置为满足以下条件表达式：0.00
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公开(公告)号：US08824058B2
公开(公告)日：2014-09-02
申请号：US14192028
申请日：2014-02-27
Applicant: FUJIFILM Corporation
Inventor： Hiroki Saito , Michio Cho , Toru Ito
IPC: G02B15/14
CPC classification number: G02B15/177 , G02B13/009 , G02B27/646
Abstract: In a zoom lens in which a first lens group having a negative refractive power and a second lens group having a positive refractive power are disposed in order from the object side and zooming is performed by moving the first lens group and the second lens group, the first lens group is formed of a first lens having a negative refractive power, a second lens having a positive refractive power, a third lens having a negative refractive power, and a fourth lens having a positive refractive power, disposed in order from the object side. Then, when the focal length of the first lens group is taken as f1 and the focal length of the second lens group is taken as f2, the zoom lens is configured to satisfy a conditional expression give below: 0.00
Abstract translation: 在具有负屈光力的第一透镜组和具有正折光力的第二透镜组的变焦透镜中，从物体侧依次布置并且通过移动第一透镜组和第二透镜组来执行变焦， 第一透镜组由具有负屈光力的第一透镜，具有正屈光力的第二透镜，具有负折射光焦度的第三透镜和具有正折射光焦度的第四透镜形成，从物侧 。 然后，当将第一透镜组的焦距作为f1，将第二透镜组的焦距设为f2时，变焦透镜被配置为满足以下条件表达式：0.00 <| f1 / f2 | < 1.04（1-4）。
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公开(公告)号：US09036269B2
公开(公告)日：2015-05-19
申请号：US14109110
申请日：2013-12-17
Applicant: FUJIFILM Corporation
Inventor： Hiromitsu Yamakawa , Toru Ito , Toshiaki Katsuma
CPC classification number: G02B13/0045 , G02B9/60 , G02B13/06 , G02B13/18
Abstract: An imaging lens substantially consists of five lenses of a first lens having a meniscus shape with its convex surface facing an object side and negative refractive power, a second lens having negative refractive power, and the image-side surface of which has a convex shape facing an image side in the vicinity of an optical axis, a third lens having positive refractive power, a stop, a fourth lens having positive refractive power, and a fifth lens having negative refractive power. At least one of the surfaces of the first lens through the fifth lens is aspherical. A predetermined conditional formula about a distance on the optical axis from an object-side surface of the first lens to an image plane and a distance on the optical axis from the object-side surface of the first lens to the image-side surface of the second lens is satisfied.
Abstract translation: 成像透镜基本上由具有弯月面形状的凸起表面面向物体侧和负折光力的第一透镜的五个透镜组成，第二透镜具有负折光力，并且其图像侧表面具有凸形形状 在光轴附近的像侧，具有正折光力的第三透镜，光阑，具有正屈光力的第四透镜和具有负屈光力的第五透镜。 通过第五透镜的第一透镜的至少一个表面是非球面的。 关于从第一透镜的物体侧表面到像面的光轴上的距离以及从第一透镜的物体侧表面到第二透镜的像侧表面的光轴上的距离的预定条件公式 第二个镜头是满意的。
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公开(公告)号：US09013789B2
公开(公告)日：2015-04-21
申请号：US14176687
申请日：2014-02-10
Applicant: FUJIFILM Corporation
Inventor： Hiroki Saito , Michio Cho , Toru Ito
IPC: G02B15/14 , G02B15/177 , G02B13/00
CPC classification number: G02B15/14 , G02B13/009 , G02B15/177
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.
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公开(公告)号：US09170404B2
公开(公告)日：2015-10-27
申请号：US14675892
申请日：2015-04-01
Applicant: FUJIFILM Corporation
Inventor： Taro Asami , Toshiaki Katsuma , Toru Ito , Masato Kondo , Ryoko Otomo
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04 , G02B13/06 , G02B13/18
Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61
Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜，负的第二透镜，正的第三透镜，正的第四透镜，负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8，第四透镜的像侧表面的曲率半径为R9时，d线的第三透镜的材料的阿贝数为 ＆ngr; d3，并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式（1）和（6）：-0.61 <（R8 + R9）/（R8- R9）<0.44（1）; 和38.1 <＆ngr; d3 +＆ngr; d5 <45.1（6）。
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Patent Agency Ranking
公开(公告)号：US09030764B2
公开(公告)日：2015-05-12
申请号：US14219018
申请日：2014-03-19
Applicant: FUJIFILM Corporation
Inventor： Taro Asami , Toshiaki Katsuma , Toru Ito , Masato Kondo , Ryoko Otomo
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04 , G02B13/06 , G02B13/18
Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61
Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜，负的第二透镜，正的第三透镜，正的第四透镜，负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8时，第四透镜的像侧表面的曲率半径为R9，并且用于d线的第三透镜的材料的阿贝数为 ＆ngr; d3，并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式（1）和（6）：-0.61 <（R8 + R9）/（R8- R9）<0.44（1）; 和38.1 <＆ngr; d3 +＆ngr; d5 <45.1（6）。
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公开(公告)号：US09019634B2
公开(公告)日：2015-04-28
申请号：US14224716
申请日：2014-03-25
Applicant: FUJIFILM Corporation
Inventor： Taro Asami , Toshiaki Katsuma , Toru Ito , Masato Kondo , Ryoko Otomo
CPC classification number: G02B13/0015 , G02B13/0045 , G02B13/06
Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. An object-side surface of the second lens is concave, and an object-side surface of the third lens is concave. A predetermined conditional formula about a combined focal length of the fourth lens and the fifth lens is satisfied.
Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜，负的第二透镜，正的第三透镜，正的第四透镜，负的第五透镜和正的第六透镜的六个透镜组成。 第二透镜的物体侧表面是凹形的，并且第三透镜的物体侧表面是凹形的。 满足关于第四透镜和第五透镜的组合焦距的预定条件公式。
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公开(公告)号：US09176304B2
公开(公告)日：2015-11-03
申请号：US14675952
申请日：2015-04-01
Applicant: FUJIFILM Corporation
Inventor： Taro Asami , Toshiaki Katsuma , Toru Ito , Masato Kondo , Ryoko Otomo
CPC classification number: G02B13/0045 , G02B9/62 , G02B13/04 , G02B13/06 , G02B13/18
Abstract: An imaging lens substantially consists of six lenses of a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens and a positive sixth lens in this order from an object side. When a curvature radius of an object-side surface of the fourth lens is R8, and a curvature radius of an image-side surface of the fourth lens is R9, and an Abbe number of the material of the third lens for d-line is νd3, and an Abbe number of the material of the fifth lens for d-line is νd5, the following conditional formulas (1) and (6) are satisfied: −0.61
Abstract translation: 成像透镜基本上由物体侧依次由负的第一透镜，负的第二透镜，正的第三透镜，正的第四透镜，负的第五透镜和正的第六透镜的六个透镜组成。 当第四透镜的物体侧表面的曲率半径为R8时，第四透镜的像侧表面的曲率半径为R9，并且用于d线的第三透镜的材料的阿贝数为 ＆ngr; d3，并且d线的第五透镜的材料的阿贝数为n5;满足以下条件式（1）和（6）：-0.61 <（R8 + R9）/（R8- R9）<0.44（1）; 和38.1 <＆ngr; d3 +＆ngr; d5 <45.1（6）。
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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：US09013800B2
公开(公告)日：2015-04-21
申请号：US14184727
申请日：2014-02-20
Applicant: FUJIFILM Corporation
Inventor： Hiroki Saito , Michio Cho , Toru Ito
CPC classification number: G02B15/161 , G02B5/005 , G02B13/04 , G02B13/18 , G02B15/16 , G02B15/177 , G02B15/22 , 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.
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