公开(公告)号：US20150370053A1

公开(公告)日：2015-12-24

申请号：US14747864

申请日：2015-06-23

Applicant: OLYMPUS IMAGING CORP.

Inventor： Hirohiko Kimata ,  Yasuharu Yamada ,  Kenichi Nagasawa ,  Hiroshi Kodama ,  Toshio Takahashi ,  Kento Kokubu

IPC: G02B15/22

CPC classification number: G02B15/22 ,  G02B15/14 ,  G02B15/173 ,  G02B15/177

Abstract: In a zoom lens of a fixed total length, at the time of changing the magnification from the wide-angle end toward the telephoto end, the first lens group is anchored while the second lens group is moved, and the third and fourth lens groups are moved so as to be located at the object side of the telephoto end relative to the wide-angle end, such that: the interval between the second and third lens groups is decreased at the telephoto end relative to the wide-angle end; the interval between the third and fourth lens groups is increased at the telephoto end relative to the wide-angle end; and the interval between the fourth and fifth lens groups is increased at the telephoto end relative to the wide-angle end, and at the time of focusing a near object point from a remote object point, the second lens group is moved.

Abstract translation: 在固定的总长度的变焦透镜中，在从广角端向望远端改变放大倍数时，第一透镜组在第二透镜组移动的同时被固定，第三和第四透镜组是 相对于广角端部位于长焦端的物体侧，使得第二透镜组和第三透镜组之间的间隔在望远端相对于广角端减小; 第三透镜组和第四透镜组之间的间隔在望远端相对于广角端增加; 并且第四透镜组和第五透镜组之间的间隔在望远端相对于广角端增加，并且在从远程对象点聚焦近物点时，第二透镜组移动。

公开(公告)号：US20150226943A1

公开(公告)日：2015-08-13

申请号：US14618329

申请日：2015-02-10

Applicant: OLYMPUS IMAGING CORP.

Inventor： Yasuji Ogata ,  Yasuharu Yamada

IPC: G02B15/12 ,  H04N5/225

CPC classification number: G02B15/12 ,  H04N5/2254

Abstract: A teleconverter according to the present invention includes a master lens apparatus side mount portion, an image pickup apparatus side mount portion, and a converter lens section having a negative refractive power as a whole. The converter lens section includes in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a third lens unit having a positive refractive power. The second lens unit is a lens unit in which, three lenses are cemented, and which includes in order from the object side to the image side, a first lens having a negative refractive power, a second lens having a positive refractive power, and a third lens having a negative refractive power. The teleconverter satisfies predetermined conditional expressions.

Abstract translation: 根据本发明的远摄转换器包括主透镜装置侧安装部分，图像拾取装置侧安装部分和整体具有负折光力的转换器透镜部分。 转换器透镜部分从物体侧到像侧依次包括具有正折光力的第一透镜单元，具有负折光力的第二透镜单元和具有正折光力的第三透镜单元。 第二透镜单元是透镜单元，其中三个透镜被胶合，并且从物体侧到像侧依次包括具有负屈光力的第一透镜，具有正折光力的第二透镜和 第三透镜具有负屈光力。 远摄转换器满足预定的条件表达式。

公开(公告)号：US20130162886A1

公开(公告)日：2013-06-27

申请号：US13705875

申请日：2012-12-05

Applicant: Olympus Imaging Corp.

Inventor： Masaru Morooka ,  Akiyoshi Tochigi ,  Yasuharu Yamada ,  Yasuji Ogata

IPC: G02B15/14

CPC classification number: G02B15/14 ,  G02B15/163

Abstract: An inner focus lens system includes, from the object side, a first lens unit having a positive refractive power, an aperture stop, a second lens unit having a positive refractive power, and a third lens unit. The first lens unit includes a plurality of negative lenses and at least one positive lens, the lens located closest to the object side is a negative lens. The second lens unit includes at least one negative lens and at least one positive lens, and moves toward the object side for focusing from an infinite object distance to a close object distance such that the distance between the second lens unit and the aperture stop decreases and that the distance between the second lens unit and the third lens unit increases. The lens system satisfies the following conditions: 1

Abstract translation: 内部聚焦透镜系统包括从物体侧具有正折光力的第一透镜单元，孔径光阑，具有正屈光力的第二透镜单元和第三透镜单元。 第一透镜单元包括多个负透镜和至少一个正透镜，最靠近物侧的透镜是负透镜。 第二透镜单元包括至少一个负透镜和至少一个正透镜，并且朝向物体侧移动，用于从无限物体距离到近距离物体距离聚焦，使得第二透镜单元和孔径光阑之间的距离减小， 第二透镜单元和第三透镜单元之间的距离增加。 透镜系统满足以下条件：1

公开(公告)号：US20140139720A1

公开(公告)日：2014-05-22

申请号：US14044176

申请日：2013-10-02

Applicant: Olympus Imaging Corp.

Inventor： Yasuji Ogata ,  Yasuharu Yamada ,  Akiyoshi Tochigi ,  Keitaro Yokoyama

IPC: G02B15/14

CPC classification number: G02B15/173 ,  G02B15/14

Abstract: A zoom lens comprising, in order from the object side to the image side a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power, wherein the first lens unit is located closest to the object side, the fifth lens unit is located closest to the image side, during zooming from the wide angle end to the telephoto end, the first lens unit, the second lens unit, the third lens unit, and the fourth lens unit move, the fifth lens unit is stationary, and the distances between the lens units vary, the third lens includes a positive lens, and the zoom lens satisfies the following condition (1): 72

Abstract translation: 一种变焦透镜，包括从物体侧到图像侧依次具有正屈光力的第一透镜单元，具有负屈光力的第二透镜单元，具有正折光力的第三透镜单元，具有正屈光力的第三透镜单元，具有 负折射光焦度和具有正折光力的第五透镜单元，其中第一透镜单元位于最靠近物体侧的位置，第五透镜单元位于最靠近像侧的位置，在从广角端到 长焦端，第一透镜单元，第二透镜单元，第三透镜​​单元和第四透镜单元移动，第五透镜单元静止，透镜单元之间的距离变化，第三透镜​​包括正透镜，以及 变焦透镜满足以下条件（1）：72 <

公开(公告)号：US08654448B2

公开(公告)日：2014-02-18

申请号：US13705875

申请日：2012-12-05

Applicant: Olympus Imaging Corp.

Inventor： Masaru Morooka ,  Akiyoshi Tochigi ,  Yasuharu Yamada ,  Yasuji Ogata

IPC: G02B15/14

CPC classification number: G02B15/14 ,  G02B15/163

Abstract: An inner focus lens system includes from the object side, a first lens unit having a positive refractive power, an aperture stop, a second lens unit having a positive refractive power, and a third lens unit. The first lens unit includes a plurality of negative lenses and at least one positive lens, the lens located closest to the object side is a negative lens. The second lens unit includes at least one negative lens and at least one positive lens, and moves toward the object side for focusing from an infinite object distance to a close object distance such that the distance between the second lens unit and the aperture stop decreases and that the distance between the second lens unit and the third lens unit increases. The lens system satisfies the following conditions: 1

Abstract translation: 内部聚焦透镜系统包括物体侧，具有正折光力的第一透镜单元，孔径光阑，具有正折光力的第二透镜单元和第三透镜单元。 第一透镜单元包括多个负透镜和至少一个正透镜，最靠近物侧的透镜是负透镜。 第二透镜单元包括至少一个负透镜和至少一个正透镜，并且朝向物体侧移动，用于从无限远的物体距离到近距离的物体距离聚焦，使得第二透镜单元和孔径光阑的距离减小， 第二透镜单元和第三透镜单元之间的距离增加。 透镜系统满足以下条件：1

公开(公告)号：US09110286B2

公开(公告)日：2015-08-18

申请号：US13835204

申请日：2013-03-15

Applicant: Olympus Imaging Corp.

Inventor： Akiyoshi Tochigi ,  Yasuharu Yamada

IPC: G02B23/02 ,  G02B23/06 ,  G03B17/14

CPC classification number: G02B23/02 ,  G02B23/06 ,  G03B17/14

Abstract: A reflecting telescope optical system comprises, a main reflecting mirror, a sub reflecting mirror which is disposed at a position facing a reflecting surface of the main reflecting mirror, and a plurality of lens units which is disposed at a position facing a reflecting surface of the sub reflecting mirror. The reflecting surface of the main reflecting mirror is a concave surface, and a reflecting area is formed to be ring-shaped. The reflecting surface of the main reflecting mirror and the reflecting surface of the sub reflecting mirror are mutually facing. The first operation is a movement for focusing at an object positioned between infinity and a near position, and the second operation is a reciprocating movement for changing the focused state after focusing. An amount of movement in the first operation is larger than an amount of movement in the second operation.

Abstract translation: 反射望远镜光学系统包括主反射镜，副反射镜，其设置在与主反射镜的反射面相对的位置，以及多个透镜单元，其设置在面向反射面的反射面的位置 副反射镜。 主反射镜的反射面为凹面，反射面形成为环状。 主反射镜的反射面和副反射镜的反射面相互面对。 第一操作是用于聚焦在位于无限远和近位置之间的物体的运动，第二操作是用于在聚焦之后改变聚焦状态的往复运动。 第一操作中的移动量大于第二操作中的移动量。

公开(公告)号：US09097884B2

公开(公告)日：2015-08-04

申请号：US14140346

申请日：2013-12-24

Applicant: OLYMPUS IMAGING CORP.

Inventor： Hirohiko Kimata ,  Yasuharu Yamada ,  Kenichi Nagasawa ,  Hiroshi Kodama ,  Toshio Takahashi ,  Kento Kokubu

IPC: G02B15/14 ,  G02B15/22 ,  G02B15/177 ,  G02B15/173

CPC classification number: G02B15/22 ,  G02B15/14 ,  G02B15/173 ,  G02B15/177

Abstract: In a zoom lens of a fixed total length, at the time of changing the magnification from the wide-angle end toward the telephoto end, the first lens group is anchored while the second lens group is moved, and the third and fourth lens groups are moved so as to be located at the object side of the telephoto end relative to the wide-angle end, such that: the interval between the second and third lens groups is decreased at the telephoto end relative to the wide-angle end; the interval between the third and fourth lens groups is increased at the telephoto end relative to the wide-angle end; and the interval between the fourth and fifth lens groups is increased at the telephoto end relative to the wide-angle end, and at the time of focusing a near object point from a remote object point, the second lens group is moved.

Abstract translation: 在固定的总长度的变焦透镜中，在从广角端向望远端改变放大倍数时，第一透镜组在第二透镜组移动的同时被固定，第三和第四透镜组是 相对于广角端部位于长焦端的物体侧，使得第二透镜组和第三透镜组之间的间隔在望远端相对于广角端减小; 第三透镜组和第四透镜组之间的间隔在望远端相对于广角端增加; 并且第四透镜组和第五透镜组之间的间隔在望远端相对于广角端增加，并且在从远程对象点聚焦近物点时，第二透镜组移动。

公开(公告)号：US08988783B2

公开(公告)日：2015-03-24

申请号：US14044176

申请日：2013-10-02

Applicant: Olympus Imaging Corp.

Inventor： Yasuji Ogata ,  Yasuharu Yamada ,  Akiyoshi Tochigi ,  Keitaro Yokoyama

IPC: G02B15/14 ,  G02B15/173

CPC classification number: G02B15/173 ,  G02B15/14

Abstract: A zoom lens comprising, in order from the object side to the image side a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power, wherein the first lens unit is located closest to the object side, the fifth lens unit is located closest to the image side, during zooming from the wide angle end to the telephoto end, the first lens unit, the second lens unit, the third lens unit, and the fourth lens unit move, the fifth lens unit is stationary, and the distances between the lens units vary, the third lens includes a positive lens, and the zoom lens satisfies the following condition (1): 72

Abstract translation: 一种变焦透镜，包括从物体侧到图像侧依次具有正屈光力的第一透镜单元，具有负屈光力的第二透镜单元，具有正折光力的第三透镜单元，具有正屈光力的第三透镜单元，具有 负折射光焦度和具有正折光力的第五透镜单元，其中第一透镜单元位于最靠近物体侧的位置，第五透镜单元位于最靠近像侧的位置，在从广角端到 长焦端，第一透镜单元，第二透镜单元，第三透镜​​单元和第四透镜单元移动，第五透镜单元静止，透镜单元之间的距离变化，第三透镜​​包括正透镜，以及 变焦透镜满足以下条件（1）：72 <

公开(公告)号：US08767310B2

公开(公告)日：2014-07-01

申请号：US14034544

申请日：2013-09-23

Applicant: Olympus Imaging Corp.

Inventor： Yasuji Ogata ,  Yasuharu Yamada ,  Toshio Takahashi ,  Toyoki Kon

IPC: G02B15/14 ,  G02B9/34 ,  G02B15/173 ,  G02B13/04

CPC classification number: G02B13/04 ,  G02B15/173 ,  G02B15/177

Abstract: The invention provides a zoom lens, characterized by comprising, a zoom lens, which comprises, in order from an object side thereof: a first lens group of negative refracting power, a second lens group of positive refracting power, a third lens group of negative refracting power, and a fourth lens group of positive refracting power, wherein: upon zooming from a wide-angle end to a telephoto end of the zoom lens, a separation between the respective lens groups changes, upon focusing from a focusing-on-infinity state to a close-range focusing state, the third lens group moves in an optical axis direction, and the conditions (1) and (2) are satisfied at the wide-angle end.

Abstract translation: 本发明提供一种变焦透镜，其特征在于包括：变焦透镜，其从物体侧依次包括：负折射力的第一透镜组，正折射率的第二透镜组，负折射率的第三透镜组 折射力的第四透镜组和正折射率的第四透镜组，其中：在从变焦透镜的广角端到望远端变焦时，各个透镜组之间的间隔在聚焦于无限远时变化 状态到近距离聚焦状态，第三透镜​​组沿光轴方向移动，并且在广角端处满足条件（1）和（2）。

公开(公告)号：US20130265475A1

公开(公告)日：2013-10-10

申请号：US13835204

申请日：2013-03-15

Applicant: OLYMPUS IMAGING CORP.

Inventor： Akiyoshi Tochigi ,  Yasuharu Yamada

IPC: G02B23/02

CPC classification number: G02B23/02 ,  G02B23/06 ,  G03B17/14

Abstract: A reflecting telescope optical system comprises, a main reflecting mirror, a sub reflecting mirror which is disposed at a position facing a reflecting surface of the main reflecting mirror, and a plurality of lens units which is disposed at a position facing a reflecting surface of the sub reflecting mirror. The reflecting surface of the main reflecting mirror is a concave surface, and a reflecting area is formed to be ring-shaped. The reflecting surface of the main reflecting mirror and the reflecting surface of the sub reflecting mirror are mutually facing. The first operation is a movement for focusing at an object positioned between infinity and a near position, and the second operation is a reciprocating movement for changing the focused state after focusing. An amount of movement in the first operation is larger than an amount of movement in the second operation.

Abstract translation: 反射望远镜光学系统包括主反射镜，副反射镜，其设置在与主反射镜的反射面相对的位置，以及多个透镜单元，其设置在面向反射面的反射面的位置 副反射镜。 主反射镜的反射面为凹面，反射面形成为环状。 主反射镜的反射面和副反射镜的反射面相互面对。 第一操作是用于聚焦在位于无限远和近位置之间的物体的运动，第二操作是用于在聚焦之后改变聚焦状态的往复运动。 第一操作中的移动量大于第二操作中的移动量。