公开(公告)号：US20150130970A1

公开(公告)日：2015-05-14

申请号：US14582083

申请日：2014-12-23

Applicant: OLYMPUS IMAGING CORP.

Inventor： Akinori Nishio ,  Masahiro Imamura

IPC: G02B13/00 ,  H04N5/232

CPC classification number: G02B13/009 ,  G02B15/14 ,  G02B15/173 ,  H04N5/23296

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, and a plurality of lens units G3 and G4. Zooming from a wide angle end to a telephoto end is carried out by changing a distance between the lens units. One of the first lens unit G1 and the second lens unit G2 has, or both the first lens unit G1 and the second lens unit G2 have a specific arrangement.

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和多个透镜单元G3和G4。 通过改变透镜单元之间的距离来实现从广角端到远摄端的放大。 第一透镜单元G1和第二透镜单元G2中的一个具有或具有第一透镜单元G1和第二透镜单元G2的具体布置。

公开(公告)号：US08953252B2

公开(公告)日：2015-02-10

申请号：US13747194

申请日：2013-01-22

Applicant: Olympus Imaging Corp.

Inventor： Akinori Nishio ,  Masahiro Imamura

IPC: G02B15/14 ,  G02B15/173

CPC classification number: G02B13/009 ,  G02B15/14 ,  G02B15/173 ,  H04N5/23296

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, and a plurality of lens units G3 and G4. Zooming from a wide angle end to a telephoto end is carried out by changing a distance between the lens units. One of the first lens unit G1 and the second lens unit G2 has, or both the first lens unit G1 and the second lens unit G2 have a specific arrangement.

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和多个透镜单元G3和G4。 通过改变透镜单元之间的距离来实现从广角端到远摄端的放大。 第一透镜单元G1和第二透镜单元G2中的一个具有或具有第一透镜单元G1和第二透镜单元G2的具体布置。

公开(公告)号：US20140368699A1

公开(公告)日：2014-12-18

申请号：US14303938

申请日：2014-06-13

Applicant: OLYMPUS IMAGING CORP.

Inventor： Masaru Morooka ,  Toyoki Kon ,  Masahiro Imamura ,  Minoru Ueda

IPC: G02B13/00 ,  H04N5/232 ,  G02B27/64

CPC classification number: G02B15/16 ,  G02B13/009 ,  G02B15/173 ,  G02B27/646 ,  H04N5/23296

Abstract: A zoom lens comprising, 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. Each distance between the first lens unit and the second lens unit, between the third lens unit and the fourth lens unit, and between the fourth lens unit and the fourth lens unit at the telephoto end is longer than at the wide angle end, and a distance between the second lens unit and the third lens unit at the telephoto end is shorter than at the wide angle end, and the following conditional expressions are satisfied. 2

Abstract translation: 一种变焦透镜，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，具有正折光力的第三透镜单元，具有负折光力的第四透镜单元;以及第五透镜单元 具有正的屈光力。 第一透镜单元和第二透镜单元之间，第三透镜​​单元和第四透镜单元之间以及在望远端处的第四透镜单元与第四透镜单元之间的距离比广角端长， 在望远端，第二透镜单元与第三透镜单元之间的距离比广角端短，并且满足以下条件表达式。 2

公开(公告)号：US20150009577A1

公开(公告)日：2015-01-08

申请号：US14495231

申请日：2014-09-24

Applicant: OLYMPUS IMAGING CORP.

Inventor： Minoru Ueda ,  Masahito Watanabe ,  Masahiro Imamura ,  Mayu Miki

IPC: G02B15/177 ,  G02B13/04

CPC classification number: G02B15/177 ,  G02B13/009 ,  G02B13/04

Abstract: A zoom lens includes, in order from the object side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power. The first lens unit includes a negative lens and a positive lens. The zoom lens satisfies the following conditional expression (1): Σd13/ft

Abstract translation: 变焦透镜从物体侧依次包括具有负屈光力的第一透镜单元，具有正折光力的第二透镜单元和具有正折光力的第三透镜单元。 第一透镜单元包括负透镜和正透镜。 变焦透镜满足以下条件表达式（1）：＆Sgr; d13 / ft <0.4（1）其中＆Sgr; d13是包括在变焦透镜的第一至第三透镜单元中的透镜的厚度的总和 光轴，ft是整个变焦镜头系统在远摄端的焦距。

公开(公告)号：US20140211074A1

公开(公告)日：2014-07-31

申请号：US14054225

申请日：2013-10-15

Applicant: OLYMPUS IMAGING CORP. ,  OLYMPUS CORPORATION

Inventor： Takayuki Mimura ,  Masahiro Imamura ,  Takahiro Amanai

IPC: G02B15/16

CPC classification number: G02B15/14 ,  G02B13/009 ,  G02B15/15 ,  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 having a negative refractive power, and includes an aperture stop which is disposed between the second lens unit and the fourth lens unit, and the first lens unit includes a negative lens and a plurality of positive lenses, and at the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit widens, a distance between the second lens unit and the third lens unit narrows, and a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies predetermined conditional expressions.

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 具有负屈光力，并且包括设置在第二透镜单元和第四透镜单元之间的孔径光阑，并且第一透镜单元包括负透镜和多个正透镜，并且在从宽的 角度端到望远端，第一透镜单元和第二透镜单元之间的距离变宽，第二透镜单元和第三透镜单元之间的距离变窄，并且第三透镜单元和第四透镜单元之间的距离改变， 并且变焦透镜满足预定条件表达式。

公开(公告)号：US20140125827A1

公开(公告)日：2014-05-08

申请号：US14013850

申请日：2013-08-29

Applicant: OLYMPUS IMAGING CORP. ,  OLYMPUS CORPORATION

Inventor： Takayuki Mimura ,  Masahiro Imamura ,  Takahiro Amanai

IPC: G02B15/14 ,  H04N5/235

CPC classification number: H04N5/235 ,  G02B15/173 ,  G02B27/646

Abstract: During zooming from the wide angle end to the telephoto end, the distance between the first lens unit having a positive refractive power and the second lens unit having a negative refractive power, the distance between the second lens unit and the third lens unit having a positive refractive power, and the distance between the third lens unit and the fourth lens unit having a negative refractive power vary. In zooming from the wide angle end to the telephoto end, the first lens unit is located closer to the object side at the telephoto end than at the wide angle end. The first lens unit consists of two lenses including a negative lens and a positive lens. The first lens unit has at least one aspheric surface in the optical path. The zoom lens satisfies the following conditional expression (1): 0.5

Abstract translation: 在从广角端到远摄端的变焦期间，具有正折光力的第一透镜单元与具有负折光力的第二透镜单元之间的距离，第二透镜单元与第三透镜单元之间的距离为正 折射力，第三透镜​​单元和具有负屈光力的第四透镜单元之间的距离变化。 在从广角端到远摄端的放大中，第一透镜单元在远摄端处比在广角端处更靠近物体侧。 第一透镜单元由包括负透镜和正透镜的两个透镜组成。 第一透镜单元在光路中具有至少一个非球面。 变焦透镜满足以下条件式（1）：0.5 <（LTLt /＆bgr;后）/ FLG1 <1.0（1）。

公开(公告)号：US09207441B2

公开(公告)日：2015-12-08

申请号：US14495231

申请日：2014-09-24

Applicant: OLYMPUS IMAGING CORP.

Inventor： Minoru Ueda ,  Masahito Watanabe ,  Masahiro Imamura ,  Mayu Miki

IPC: G02B15/14 ,  G02B15/177 ,  G02B13/00 ,  G02B13/04

CPC classification number: G02B15/177 ,  G02B13/009 ,  G02B13/04

Abstract: A zoom lens includes, in order from the object side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power. The first lens unit includes a negative lens and a positive lens. The zoom lens satisfies the following conditional expression (1): Σd13/ft

Abstract translation: 变焦透镜从物体侧依次包括具有负屈光力的第一透镜单元，具有正折光力的第二透镜单元和具有正折光力的第三透镜单元。 第一透镜单元包括负透镜和正透镜。 变焦透镜满足以下条件表达式（1）：＆Sgr; d13 / ft <0.4（1）其中＆Sgr; d13是包括在变焦透镜的第一至第三透镜单元中的透镜的厚度的总和 光轴，ft是整个变焦镜头系统在远摄端的焦距。

公开(公告)号：US09088724B2

公开(公告)日：2015-07-21

申请号：US14013850

申请日：2013-08-29

Applicant: OLYMPUS CORPORATION ,  OLYMPUS IMAGING CORP.

Inventor： Takayuki Mimura ,  Masahiro Imamura ,  Takahiro Amanai

IPC: H04N5/235 ,  G02B15/173 ,  G02B27/64

CPC classification number: H04N5/235 ,  G02B15/173 ,  G02B27/646

Abstract: During zooming from the wide angle end to the telephoto end, the distance between the first lens unit having a positive refractive power and the second lens unit having a negative refractive power, the distance between the second lens unit and the third lens unit having a positive refractive power, and the distance between the third lens unit and the fourth lens unit having a negative refractive power vary. In zooming from the wide angle end to the telephoto end, the first lens unit is located closer to the object side at the telephoto end than at the wide angle end. The first lens unit consists of two lenses including a negative lens and a positive lens. The first lens unit has at least one aspheric surface in the optical path. The zoom lens satisfies the following conditional expression (1): 0.5

Abstract translation: 在从广角端到远摄端的变焦期间，具有正折光力的第一透镜单元与具有负折光力的第二透镜单元之间的距离，第二透镜单元与第三透镜单元之间的距离为正 折射力，第三透镜​​单元和具有负屈光力的第四透镜单元之间的距离变化。 在从广角端到远摄端的放大中，第一透镜单元在远摄端处比在广角端处更靠近物体侧。 第一透镜单元由包括负透镜和正透镜的两个透镜组成。 第一透镜单元在光路中具有至少一个非球面。 变焦透镜满足以下条件式（1）：0.5 <（LTLt /＆bgr;后）/ FLG1 <1.0（1）。

公开(公告)号：US20130201382A1

公开(公告)日：2013-08-08

申请号：US13761768

申请日：2013-02-07

Applicant: OLYMPUS IMAGING CORP.

Inventor： Minoru Ueda ,  Masahito Watanabe ,  Masahiro Imamura ,  Mayu Miki

IPC: G02B13/00

CPC classification number: G02B15/177 ,  G02B13/009 ,  G02B13/04

Abstract: A zoom lens includes, in order from the object side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power. The first lens unit includes a negative lens and a positive lens. The zoom lens satisfies the following conditional expression (1): Σd13/ft

Abstract translation: 变焦透镜从物体侧依次包括具有负屈光力的第一透镜单元，具有正折光力的第二透镜单元和具有正折光力的第三透镜单元。 第一透镜单元包括负透镜和正透镜。 变焦透镜满足以下条件式（1）：Sigmad13 / ft <0.4（1）其中，Sigmad13是变焦透镜的第一至第三透镜单元在光轴上包括的透镜的厚度的总和，以及 ft是整个变焦镜头系统在远摄端的焦距。

公开(公告)号：US09158099B2

公开(公告)日：2015-10-13

申请号：US14054225

申请日：2013-10-15

Applicant: OLYMPUS CORPORATION ,  OLYMPUS IMAGING CORP.

Inventor： Takayuki Mimura ,  Masahiro Imamura ,  Takahiro Amanai

IPC: G02B15/15 ,  G02B15/173

CPC classification number: G02B15/14 ,  G02B13/009 ,  G02B15/15 ,  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 having a negative refractive power, and includes an aperture stop which is disposed between the second lens unit and the fourth lens unit, and the first lens unit includes a negative lens and a plurality of positive lenses, and at the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit widens, a distance between the second lens unit and the third lens unit narrows, and a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies predetermined conditional expressions.

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 具有负屈光力，并且包括设置在第二透镜单元和第四透镜单元之间的孔径光阑，并且第一透镜单元包括负透镜和多个正透镜，并且在从宽的 角度端到望远端，第一透镜单元和第二透镜单元之间的距离变宽，第二透镜单元和第三透镜单元之间的距离变窄，并且第三透镜单元和第四透镜单元之间的距离改变， 并且变焦透镜满足预定条件表达式。