公开(公告)号：US20140177074A1

公开(公告)日：2014-06-26

申请号：US14189429

申请日：2014-02-25

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B15/14

CPC classification number: G02B15/14 ,  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.

公开(公告)号：US20140153111A1

公开(公告)日：2014-06-05

申请号：US14176225

申请日：2014-02-10

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B15/177

CPC classification number: G02B15/177 ,  G02B13/18 ,  G02B15/16

Abstract: A zoom lens substantially consists of a first lens group having a negative refractive power and a second lens group having a positive refractive power arranged in order from the object side; that changes magnification by moving the first lens group and the second lens group; and wherein the first lens group is configured by 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, arranged in order from the object side. The zoom lens satisfies a predetermined conditional expression.

Abstract translation: 变焦透镜基本上由具有负屈光力的第一透镜组和具有从物体侧排列的正折光力的第二透镜组构成; 通过移动第一透镜组和第二透镜组来改变放大率; 并且其中所述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屈光力的第四透镜构成，所述第四透镜从物体侧开始依次布置。 变焦透镜满足预定条件表达式。

公开(公告)号：US20140153110A1

公开(公告)日：2014-06-05

申请号：US14175333

申请日：2014-02-07

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B15/177

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。

公开(公告)号：US20140177075A1

公开(公告)日：2014-06-26

申请号：US14189480

申请日：2014-02-25

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B15/14

CPC classification number: G02B15/14 ,  G02B15/177 ,  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 entire system at the wide angle end is taken as fw and the focal length of the second lens group are 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，将广角端的整个系统的焦距作为fw，将第二透镜组的焦距设为f2时，变焦镜头被配置为满足以下条件表达式：0.00

公开(公告)号：US20140177073A1

公开(公告)日：2014-06-26

申请号：US14193223

申请日：2014-02-28

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B15/14 ,  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 the following conditional formulae, when f1 is the focal length of the first lens group, f2 is the focal length of the second lens group, and fG12 is the focal length of the second lens within the first lens group: 0.00

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。 变焦透镜满足以下条件式，当f1是第一透镜组的焦距时，f2是第二透镜组的焦距，fG12是第一透镜组内的第二透镜的焦距：0.00 < | f1 / f2 | <1.04（1-5）; 和-1.00

公开(公告)号：US20140153105A1

公开(公告)日：2014-06-05

申请号：US14173362

申请日：2014-02-05

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B13/04

CPC classification number: G02B13/04 ,  G02B15/177 ,  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 four lenses and the object side surface of the second lens in the first lens group is made concave on the object side in the paraxial region. When the paraxial radii of curvature of the object side surface and the image side surface of the second lens are taken as rG12F and rG12R respectively, the zoom lens satisfies a conditional expression given below: 2.0

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， 第一透镜组由四个透镜形成，并且第一透镜组中的第二透镜的物体侧表面在近轴区域中的物体侧成为凹入。 当物镜侧表面的近轴曲率半径和第二透镜的像侧表面分别被视为rG12F和rG12R时，变焦透镜满足以下条件表达式：2.0 <（rG12F + rG12R）/（rG12F-rG12R ）<30.0（1-1）。

公开(公告)号：US20140204477A1

公开(公告)日：2014-07-24

申请号：US14224716

申请日：2014-03-25

Applicant: FUJIFILM Corporation

Inventor： Taro ASAMI ,  Toshiaki KATSUMA ,  Toru ITO ,  Masato KONDO ,  Ryoko OTOMO

IPC: G02B13/00

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。

公开(公告)号：US20140168789A1

公开(公告)日：2014-06-19

申请号：US14188211

申请日：2014-02-24

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B15/14

CPC classification number: G02B15/14 ,  G02B15/177 ,  G03B2205/0046

Abstract: A zoom lens substantially consists of: a first lens group having a negative refractive power and a second lens group having a positive refractive power arranged in order from the object side; that changes magnification by moving the first lens group and the second lens group; and wherein the first lens group is configured by 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, arranged in order from the object side. The zoom lens satisfies a predetermined conditional expression.

Abstract translation: 变焦透镜基本上由以下部分组成：具有负屈光力的第一透镜组和具有从物体侧开始依次布置的正折光力的第二透镜组; 通过移动第一透镜组和第二透镜组来改变放大率; 并且其中所述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屈光力的第四透镜构成，所述第四透镜从物体侧开始依次排列。 变焦透镜满足预定条件表达式。

公开(公告)号：US20140168788A1

公开(公告)日：2014-06-19

申请号：US14184727

申请日：2014-02-20

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B13/04

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.

公开(公告)号：US20140153107A1

公开(公告)日：2014-06-05

申请号：US14174284

申请日：2014-02-06

Applicant: FUJIFILM Corporation

Inventor： Hiroki SAITO ,  Michio CHO ,  Toru ITO

IPC: G02B13/04

CPC classification number: G02B13/04 ,  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.