公开(公告)号：US20140029117A1

公开(公告)日：2014-01-30

申请号：US14041576

申请日：2013-09-30

Applicant: FUJIFILM Corporation

Inventor： Takayuki NODA

IPC: G02B13/18

CPC classification number: G02B13/18 ,  G02B13/0045

Abstract: Arranging a negative first lens, a positive second lens, a negative third lens, a positive fourth lens, and a negative fifth lens from the object side, in which the image side surface of the fifth lens has an aspherical shape with one or more inflection points and a concave shape toward the image side in a paraxial region, and, when the focal length of the entire lens system, radius of curvature of the image side surface of the first lens, radius of curvature of the image side surface of the second lens, overall optical length, focal length of jth lens, and Abbe number of jth lens are taken as f, R2, R4, TL, fj, and vj respectively, the image capturing lens is configured to simultaneously satisfy conditional expressions (1a): −1.5

Abstract translation: 从物体侧排列负第一透镜，正第二透镜，负第三透镜，正第四透镜和负第五透镜，其中第五透镜的像侧表面具有具有一个或多个拐点的非球面形状 并且当透镜系统整体的焦距，第一透镜的像侧表面的曲率半径，第二透镜系统的像侧表面的曲率半径 镜头，整体光学长度，第j个透镜的焦距和第j个透镜的阿贝数分别取为f，R2，R4，TL，fj和vj，图像拍摄透镜被配置为同时满足条件表达式（1a）： -1.5

公开(公告)号：US20150286036A1

公开(公告)日：2015-10-08

申请号：US14745474

申请日：2015-06-22

Applicant: FUJIFILM Corporation

Inventor： Masato KONDO ,  Takayuki NODA ,  Michio CHO

IPC: G02B13/00 ,  G02B9/60

CPC classification number: G02B13/0045 ,  G02B9/60 ,  G02B13/18

Abstract: An imaging lens consists of five lenses, including: a fist lens having a biconvex shape with the surface having the radius of curvature with the smaller absolute value toward the object side, a second lens having a negative refractive power and a concave surface toward the image side, a third lens having a meniscus shape with a convex surface toward the object side, a fourth lens having a negative refractive power and a meniscus shape with a convex surface toward the image side, and a fifth lens having a negative refractive power and a meniscus shape with a concave surface toward the image side, the image-side surface thereof having at least one inflection point, disposed in this order from the object side.

Abstract translation: 成像透镜由五个透镜组成，包括：具有双凸形状的第一透镜，具有朝向物体侧的具有较小绝对值的曲率半径的表面，具有负屈光力的第二透镜和朝向图像的凹面 具有朝向物体侧的凸面的弯月形状的第三透镜，具有负屈光力的第四透镜和朝向像侧的凸面的弯月形状，以及具有负屈光力的第五透镜和 弯液面形状具有朝向图像侧的凹面，其图像侧表面具有至少一个拐点，从物体侧依次设置。

公开(公告)号：US20150260961A1

公开(公告)日：2015-09-17

申请号：US14640161

申请日：2015-03-06

Applicant: FUJIFILM Corporation

Inventor： Motoari OTA ,  Takayuki NODA ,  Takuya TANAKA

IPC: G02B13/00 ,  G02B9/62

CPC classification number: G02B13/0045

Abstract: An imaging lens is constituted essentially by six lenses, including: a first lens having a positive refractive power and a convex surface toward the object side; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens of a biconcave shape; and a sixth lens having a negative refractive power, provided in this order from the object side. The imaging lens satisfies predetermined conditional formulae.

Abstract translation: 成像透镜基本上由六个透镜构成，包括：具有正折光力的第一透镜和朝向物体侧的凸面; 具有负屈光力的第二透镜; 具有正屈光力的第三透镜; 具有正屈光力的第四透镜; 双凸形状的第五透镜; 以及具有负屈光力的第六透镜，从物体侧依次设置。 成像透镜满足预定条件式。

公开(公告)号：US20150124332A1

公开(公告)日：2015-05-07

申请号：US14597774

申请日：2015-01-15

Applicant: FUJIFILM Corporation

Inventor： Takayuki NODA ,  Michio CHO

IPC: G02B13/00 ,  G02B9/62

CPC classification number: G02B13/0045 ,  G02B9/62 ,  G02B13/18 ,  H04N5/2254

Abstract: An imaging lens is constituted essentially by six lenses, including: a negative first lens having a concave surface toward the object side; a positive second lens; a negative third lens; a negative fourth lens of a meniscus shape with a concave surface toward the object side; a fifth lens; and a sixth lens having a concave surface toward the image side, the surface toward the image side thereof being an aspherical shape having at least one inflection point thereon, provided in this order from the object side.

Abstract translation: 成像透镜基本上由六个透镜构成，包括：具有朝向物体侧的凹面的负第一透镜; 一个正的第二个镜头; 负第三透镜; 具有朝向物体侧的凹面的弯液面形状的负第四透镜; 第五个镜头; 以及朝向像侧的凹面的第六透镜，朝向其像侧的表面为从物体侧开始依次设置有至少一个拐点的非球面形状。

公开(公告)号：US20140368931A1

公开(公告)日：2014-12-18

申请号：US14300766

申请日：2014-06-10

Applicant: FUJIFILM Corporation

Inventor： Takayuki NODA ,  Michio CHO

IPC: G02B13/04

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。