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：US20150168697A1

公开(公告)日：2015-06-18

申请号：US14572372

申请日：2014-12-16

Applicant: OLYMPUS IMAGING CORP.

Inventor： Yasuji Ogata

IPC: G02B15/16 ,  G02B7/14

CPC classification number: G02B15/16 ,  G02B13/009 ,  G02B15/163 ,  G02B15/173

Abstract: A zoom lens 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, a third lens unit having a positive refractive power, and a fourth lens unit. At a telephoto end, with respect to a wide angle end, a distance between the first lens unit and the second lens unit widens, and a distance between the second lens unit and the third lens unit narrows. At the time of zooming from the wide angle end to the telephoto end, a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies the following conditional expressions (1) and (2). 1.1

Abstract translation: 变焦透镜从物体侧到像侧依次包括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和第四透镜单元 。 在望远端，相对于广角端，第一透镜单元和第二透镜单元之间的距离变宽，并且第二透镜单元与第三透镜单元之间的距离变窄。 在从广角端到望远端的变焦时，第三透镜​​单元与第四透镜单元之间的距离改变，变焦透镜满足以下条件表达式（1）和（2）。 1.1

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：US09075291B2

公开(公告)日：2015-07-07

申请号：US13892253

申请日：2013-05-11

Applicant: OLYMPUS IMAGING CORP.

Inventor： Yasuji Ogata

IPC: H04N5/225 ,  G02B15/14 ,  H04N5/262 ,  G03B17/56 ,  G02B13/02 ,  G02B15/12

CPC classification number: G02B7/021 ,  G02B9/60 ,  G02B13/02 ,  G02B15/12 ,  G02B27/0018 ,  G02B27/0025 ,  G03B17/565 ,  H04N5/2252 ,  H04N5/2254

Abstract: A teleconverter includes a master lens apparatus-side mount on which a master lens apparatus is mounted, a camera body-side mount on which a camera body is mounted, and a converter lens unit that has a negative refracting power for mounting the master lens apparatus thereon to obtain a lens system having a focal length longer than that of the master lens apparatus, the converter lens unit including a first lens group on the master lens apparatus side and a second lens group on the camera body side with an on longest air separation interposed between them, the first lens group has positive refracting power, and the second lens group has negative refracting power, with satisfaction of the following condition (1): −1.53

Abstract translation: 远摄转换器包括其上安装有主镜头装置的主镜头装置侧支架，安装有照相机主体的相机体侧安装件和具有用于安装主镜头装置的负折射力的转换镜头单元 以获得具有比主镜头装置的焦距长的焦距的透镜系统，转换器透镜单元包括主镜头装置侧的第一透镜组和相机主体侧的第二透镜组，具有最长的空气分离 第一透镜组具有正折射率，第二透镜组具有负折射力，满足以下条件（1）：-1.53​​

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：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：US20140218808A1

公开(公告)日：2014-08-07

申请号：US14172325

申请日：2014-02-04

Applicant: OLYMPUS IMAGING CORP.

Inventor： Yasuji Ogata ,  Hirohiko Kimata

IPC: G02B15/14

CPC classification number: G02B15/16 ,  G02B3/02 ,  G02B9/62 ,  G02B13/009 ,  G02B15/14 ,  G02B15/163 ,  G02B15/17 ,  G02B15/173 ,  G02B15/20 ,  G02B27/64 ,  G03B5/00 ,  G03B21/14

Abstract: A zoom lens comprises a first lens unit G1 having a positive refractive power, a second lens unit G2 having a negative refractive power, a third lens unit G3 having a positive refractive power, a fourth lens unit G4 having a negative refractive power, a fifth lens unit G5, and a sixth lens unit G6 having a positive refractive power. Zooming from a wide angle end to a telephoto end is carried out by changing a distance between the lens units, and a distance between the first lens unit G1 and the third lens unit G3 narrows at the telephoto end than at the wide angle end, and the first lens unit G1 is stationary at the time of zooming from the wide angle end to the telephoto end, and lens units from the second lens unit G2 to the fifth lens unit G5 move.

Abstract translation: 变焦透镜包括具有正折光力的第一透镜单元G1，具有负折光力的第二透镜单元G2，具有正折光力的第三透镜单元G3，具有负折光力的第四透镜单元G4，第五透镜单元 透镜单元G5和具有正折光力的第六透镜单元G6。 通过改变透镜单元之间的距离来实现从广角端到长焦端的放大，并且第一透镜单元G1和第三透镜单元G3之间的距离在望远端比在广角端窄，并且 第一透镜单元G1在从广角端到远摄端的变焦时是静止的，并且从第二透镜单元G2到第五透镜单元G5的透镜单元移动。

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）。