公开(公告)号：US20150085374A1

公开(公告)日：2015-03-26

申请号：US14542963

申请日：2014-11-17

Applicant: OLYMPUS CORPORATION

Inventor： Keigo MATSUO ,  Takayuki MIMURA ,  Kanato ADACHI ,  Hisashi GOTO

IPC: G02B15/177 ,  G02B13/00

CPC classification number: G02B15/177 ,  G02B13/009

Abstract: Provided are a variable power optical system in which the value of the entire length with respect to the image height is reduced and the aberration is well corrected, and an image pickup device comprising the same. Specifically provided is a variable power optical system comprising, in order from the object side, at least a first lens group having negative refractive power, a variable power group having positive refractive power, and a final lens group having positive refractive power, wherein the variable power group is provided with, in order from the object side, a first lens element having positive refractive power, a second lens element, and a third lens element, the second lens element has a convex shape on the object side, and the final lens group comprises a positive lens, the variable power optical system satisfying the following conditional expression: 10≦VdLg≦45 −1.0

Abstract translation: 提供了一种可变功率光学系统，其中相对于图像高度的整个长度的值被减小并且像差被良好校正，以及包括该像素的图像拾取装置。 具体地提供了一种可变光源系统，其包括从物体侧起至少具有负折光力的第一透镜组，具有正折光力的可变光焦度组和具有正屈光力的最终透镜组，其中， 功率组从物体侧依次设置具有正折光力的第一透镜元件，第二透镜元件和第三透镜元件，第二透镜元件在物体侧具有凸形形状，并且最终透镜 组包括正透镜，满足以下条件表达式的可变光功率光学系统：10＆nlE; VdLg＆nlE; 45 -1.0 <（R2a-R2b）/（R2a + R2b）<1.0其中VdLg是正透镜的阿贝数 相对于d线的最终透镜组，R2a是第二透镜元件的物体侧表面的曲率半径，R2b是第三透镜元件的像侧表面的曲率半径。

公开(公告)号：US20140078375A1

公开(公告)日：2014-03-20

申请号：US14044430

申请日：2013-10-02

Applicant: OLYMPUS CORPORATION

Inventor： Keigo MATSUO ,  Takayuki MIMURA ,  Kanato ADACHI ,  Hisashi GOTO

IPC: G02B13/00

CPC classification number: G02B15/177 ,  G02B13/009

Abstract: Provided are a variable power optical system in which the value of the entire length with respect to the image height is reduced and the aberration is well corrected, and an image pickup device comprising the same. Specifically provided is a variable power optical system comprising, in order from the object side, at least a first lens group having negative refractive power, a variable power group having positive refractive power, and a final lens group having positive refractive power, wherein the variable power group is provided with, in order from the object side, a first lens element having positive refractive power, a second lens element, and a third lens element, the second lens element has a convex shape on the object side, and the final lens group comprises a positive lens, the variable power optical system satisfying the following conditional expression: 10≦VdLg≦45 −1.0

Abstract translation: 提供了一种可变功率光学系统，其中相对于图像高度的整个长度的值被减小并且像差被良好校正，以及包括该像素的图像拾取装置。 具体地提供了一种可变光源系统，其包括从物体侧起至少具有负折光力的第一透镜组，具有正折光力的可变光焦度组和具有正屈光力的最终透镜组，其中， 功率组从物体侧依次设置具有正折光力的第一透镜元件，第二透镜元件和第三透镜元件，第二透镜元件在物体侧具有凸形形状，并且最终透镜 组包括正透镜，满足以下条件表达式的可变光功率光学系统：10＆nlE; VdLg＆nlE; 45 -1.0 <（R2a-R2b）/（R2a + R2b）<1.0其中VdLg是正透镜的阿贝数 相对于d线的最终透镜组，R2a是第二透镜元件的物体侧表面的曲率半径，R2b是第三透镜元件的像侧表面的曲率半径。

公开(公告)号：US20180017382A1

公开(公告)日：2018-01-18

申请号：US15716566

申请日：2017-09-27

Applicant: OLYMPUS CORPORATION

Inventor： Kanato ADACHI ,  Terumasa MORITA

IPC: G01B11/27 ,  G02B27/30 ,  G02B7/02

CPC classification number: G01B11/272 ,  G01B11/26 ,  G01B11/27 ,  G02B7/02 ,  G02B21/0016 ,  G02B21/18 ,  G02B21/36 ,  G02B27/30 ,  H04N5/2258

Abstract: A measuring head includes a light source unit, a first image pickup element, a second image pickup element, an objective optical system, an optical path splitting element, a common optical path, a first optical path, and a second optical path. The common optical path is located on one side of the optical path splitting element, and the first optical path and a second optical path are located on the other side. The optical path splitting element is disposed at a position where the first optical path and the second optical path intersect. The light source unit and the first image pickup element are disposed at predetermined positions. The second image pickup element is disposed at a position different from the predetermined positions. Each of the predetermined positions is a focal position of the objective optical system or a position conjugate to the focal position of the objective optical system.

公开(公告)号：US20160320263A1

公开(公告)日：2016-11-03

申请号：US15207830

申请日：2016-07-12

Applicant: OLYMPUS CORPORATION

Inventor： Kanato ADACHI

IPC: G01M11/08

CPC classification number: G01M11/08 ,  G01M11/0221 ,  G01M11/025

Abstract: According to one aspect, an eccentricity amount obtainment method is a method of obtaining shift eccentricity amounts of lens frames through in a lens barrel that includes the plurality of lens frames having lens cells, the eccentricity amount obtainment method including arranging, in each of the lens cells, a flat plate member on which an index is formed and which has optical transparency and arranging the lens frames in the lens barrel in a prescribed order so as to assemble an assembly, a emitting illumination light to the flat plate members, obtaining pieces of information related to positions of the indexes formed on the flat plate members, and obtaining, as the shift eccentricity amounts of the lens frames, the positional displacement amounts with respect to the indexes formed on the flat plate members with respect to an arbitrary position.

Abstract translation: 根据一个方面，偏心量获得方法是通过在包括具有透镜单元的多个透镜框的透镜镜筒中获得透镜框的偏移偏心量的方法，所述偏心量获取方法包括在每个透镜 单元，其上形成有折射率的平板构件，其具有光学透明性，并且以规定的顺序将透镜框架布置在镜筒中，以组装组件，向平板构件发射照明光，获得片 关于形成在平板部件上的索引的位置的信息，并且获得相对于在平板部件上相对于任意位置形成的索引的位置偏移量作为透镜框的偏移偏心量。