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1. 发明授权

US08743470B2 Zoom lens system, optical apparatus and method for manufacturing zoom lens system 有权
公开(公告)号：US08743470B2
公开(公告)日：2014-06-03
申请号：US13042493
申请日：2011-03-08
申请人： Akihiko Obama , Norikazu Yokoi , Issei Tanaka
发明人： Akihiko Obama , Norikazu Yokoi , Issei Tanaka
IPC分类号： G02B15/173 , G02B15/16
摘要： In a zoom lens system, an optical apparatus, and a manufacturing method, there are provided, in order from an object side: a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens group having negative power, a fifth group having positive power, and an aperture stop disposed to an image side of the second lens group. Upon zooming from a wide-angle end state to a telephoto end state, a distance between the first lens and second lens groups increases, a distance between the second and third lens groups decreases, a distance between the third and fourth lens groups varies, and a distance between the fourth and fifth lens groups varies. With given conditions being satisfied, high optical performance with suppressing variation in aberrations are achieved.

2. 发明授权

US09030755B2 Zoom lens system, optical apparatus, and method for manufacturing zoom lens system 有权
标题翻译：变焦镜头系统，光学设备及制造变焦镜头系统的方法
公开(公告)号：US09030755B2
公开(公告)日：2015-05-12
申请号：US13358042
申请日：2012-01-25
申请人： Issei Tanaka , Norikazu Yokoi , Akihiko Obama
发明人： Issei Tanaka , Norikazu Yokoi , Akihiko Obama
IPC分类号： G02B15/14 , G02B15/173
CPC分类号： G02B15/173 , G02B1/115 , Y10T29/49826
摘要： A zoom lens optical system includes, in order from an object side along an optical axis: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; a fourth lens group having negative refractive power; and a fifth lens group having positive refractive power, wherein upon zooming from a wide-angle end state to a telephoto end state, the first lens group being moved with respect to an image plane, a distance between the first lens group and the second lens group increasing, a distance between the second lens group and the third lens group decreasing, a distance between the third lens group and the fourth lens group varying, and a distance between the fourth lens group and the fifth lens group varying.
摘要翻译：变焦透镜光学系统从物体侧沿着光轴依次包括具有正折射力的第一透镜组; 具有负屈光力的第二透镜组; 具有正折射力的第三透镜组; 具有负屈光力的第四透镜组; 以及具有正折射力的第五透镜组，其中当从广角端状态变焦到远摄端状态时，第一透镜组相对于像平面移动，第一透镜组和第二透镜之间的距离第二透镜组和第三透镜组之间的距离减小，第三透镜组和第四透镜组之间的距离变化，并且第四透镜组和第五透镜组之间的距离变化。

3. 发明授权

US08913327B2 Zoom lens system, optical apparatus and method for manufacturing zoom lens system 有权
标题翻译：变焦镜头系统，光学装置及制造变焦镜头系统的方法
公开(公告)号：US08913327B2
公开(公告)日：2014-12-16
申请号：US13042493
申请日：2011-03-08
申请人： Akihiko Obama , Norikazu Yokoi , Issei Tanaka
发明人： Akihiko Obama , Norikazu Yokoi , Issei Tanaka
IPC分类号： G02B15/173 , G02B15/16
CPC分类号： G02B15/16 , G02B15/14 , G02B15/173 , Y10T29/49826
摘要： In a zoom lens system, an optical apparatus, and a manufacturing method, there are provided, in order from an object side: a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens group having negative power, a fifth group having positive power, and an aperture stop disposed to an image side of the second lens group. Upon zooming from a wide-angle end state to a telephoto end state, a distance between the first lens and second lens groups increases, a distance between the second and third lens groups decreases, a distance between the third and fourth lens groups varies, and a distance between the fourth and fifth lens groups varies. With given conditions being satisfied, high optical performance with suppressing variation in aberrations are achieved.
摘要翻译：在变焦透镜系统，光学装置和制造方法中，从物体侧起依次提供具有正光焦度的第一透镜组，具有负光焦度的第二透镜组，具有正光焦度的第三透镜组，具有负功率的第四透镜组，具有正功率的第五组和设置在第二透镜组的像侧的孔径光阑。在从广角端状态变焦到望远端状态时，第一透镜和第二透镜组之间的距离增加，第二透镜组与第三透镜组之间的距离减小，第三透镜组和第四透镜组之间的距离变化，并且第四和第五透镜组之间的距离变化。在满足给定条件的情况下，实现了抑制像差变化的高光学性能。

4. 发明授权

US09523843B2 Zoom lens, optical apparatus, and method for manufacturing zoom lens 有权
标题翻译：变焦镜头，光学设备和制造变焦镜头的方法
公开(公告)号：US09523843B2
公开(公告)日：2016-12-20
申请号：US13194890
申请日：2011-07-29
申请人： Akihiko Obama , Norikazu Yokoi , Issei Tanaka
发明人： Akihiko Obama , Norikazu Yokoi , Issei Tanaka
IPC分类号： G02B15/14 , G02B15/173
CPC分类号： G02B15/16 , G02B1/11 , G02B15/173 , G02B27/0018 , G02B27/0025 , Y10T29/4984
摘要： A zoom lens includes, in order from an object side along an optical axis, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, and a third lens group G3 having positive refractive power. Upon zooming from a wide-angle end state W to a telephoto end state T, a distance between the first lens group G1 and the second lens group G2 increases, and a distance between the second lens group G2 and the third lens group G3 decreases. Given conditions are satisfied. Accordingly, a zoom lens having high optical performance with suppressing variations in aberrations, an optical apparatus equipped therewith, and a method for manufacturing the zoom lens are provided.
摘要翻译：变焦透镜从物体侧沿着光轴依次包括具有正折光力的第一透镜组G1，具有负屈光力的第二透镜组G2和具有正折光力的第三透镜组G3。当从广角端状态W变焦到望远端状态T时，第一透镜组G1和第二透镜组G2之间的距离增加，并且第二透镜组G2和第三透镜组G3之间的距离减小。给定条件满意。因此，提供了具有抑制像差变化的高光学性能的变焦透镜，配备有其的光学装置以及用于制造变焦透镜的方法。

5. 发明授权

US08721094B2 Lens system and optical apparatus 有权
标题翻译：镜头系统和光学仪器
公开(公告)号：US08721094B2
公开(公告)日：2014-05-13
申请号：US12956109
申请日：2010-11-30
申请人： Issei Tanaka , Akihiko Obama
发明人： Issei Tanaka , Akihiko Obama
IPC分类号： G02B27/00
CPC分类号： G02B27/0018 , G02B1/115 , G02B9/08 , G02B13/00
摘要： A lens system comprising, in order from an object side: a first lens group G1; and a second lens group G2 having positive refractive power; the first lens group G1 including a sub-lens group GS11 having positive refractive power, and a sub-lens group GS12 having negative refractive power, the sub-lens group GS12 having negative refractive power including a meniscus lens having a convex surface facing the object side, given conditions being satisfied: an antireflection coating being formed on at least one optical surface in the first lens group G1 and the second lens group G2, and the antireflection coating including at least one layer formed by a wet-process, thereby providing a lens system having high optical performance with excellently correcting various aberrations and suppressing ghost images and flare, and an optical apparatus equipped therewith.
摘要翻译：一种透镜系统，其从物体侧起依次包括：第一透镜组G1; 和具有正折射光焦度的第二透镜组G2; 包括具有正折光力的子透镜组GS11的第一透镜组G1和具有负屈光力的副透镜组GS12，具有负屈光力的副透镜组GS12包括具有面向物体的凸面的弯月形透镜在满足条件的情况下：在第一透镜组G1和第二透镜组G2中的至少一个光学表面上形成防反射涂层，以及防反射涂层，其包括通过湿法形成的至少一个层，从而提供具有高光学性能的透镜系统以及各种像差的精确校正和抑制重影图像和闪光，以及配备有其的光学装置。

6. 发明申请

US20110128630A1 LENS SYSTEM AND OPTICAL APPARATUS 有权
标题翻译：镜头系统和光学设备
公开(公告)号：US20110128630A1
公开(公告)日：2011-06-02
申请号：US12956109
申请日：2010-11-30
申请人： Issei Tanaka , Akihiko Obama
发明人： Issei Tanaka , Akihiko Obama
IPC分类号： G02B1/11 , B05D5/06
CPC分类号： G02B27/0018 , G02B1/115 , G02B9/08 , G02B13/00
摘要： A lens system comprising, in order from an object side: a first lens group G1; and a second lens group G2 having positive refractive power; the first lens group G1 including a sub-lens group GS11 having positive refractive power, and a sub-lens group GS12 having negative refractive power, the sub-lens group GS12 having negative refractive power including a meniscus lens having a convex surface facing the object side, given conditions being satisfied: an antireflection coating being formed on at least one optical surface in the first lens group G1 and the second lens group G2, and the antireflection coating including at least one layer formed by a wet-process, thereby providing a lens system having high optical performance with excellently correcting various aberrations and suppressing ghost images and flare, and an optical apparatus equipped therewith.
摘要翻译：一种透镜系统，其从物体侧起依次包括：第一透镜组G1; 和具有正折射光焦度的第二透镜组G2; 包括具有正折光力的子透镜组GS11的第一透镜组G1和具有负屈光力的副透镜组GS12，具有负屈光力的副透镜组GS12包括具有面向物体的凸面的弯月形透镜在满足条件的情况下：在第一透镜组G1和第二透镜组G2中的至少一个光学表面上形成防反射涂层，以及防反射涂层，其包括通过湿法形成的至少一个层，从而提供具有高光学性能的透镜系统以及各种像差的精确校正和抑制重影图像和闪光，以及配备有其的光学装置。

7. 发明申请

US20110096416A1 LENS SYSTEM AND OPTICAL APPARATUS 有权
标题翻译：镜头系统和光学设备
公开(公告)号：US20110096416A1
公开(公告)日：2011-04-28
申请号：US13002325
申请日：2009-06-25
申请人： Akihiko Obama
发明人： Akihiko Obama
IPC分类号： G02B11/04
CPC分类号： G02B15/14 , G02B3/0087 , G02B9/06 , G02B9/10 , G02B13/18 , G02B13/26 , G02B27/0037 , Y10T29/49826
摘要： A lens system comprising, in order from an object side: a first lens group G1; and a second lens group G2 having positive refractive power; the first lens group G1 including a sub-lens group GS11 having positive refractive power, and a sub-lens group GS12 having negative refractive power, the sub-lens group GS12 having negative refractive power including a meniscus lens having a convex surface facing the object side, given conditions being satisfied, thereby providing a lens system having high optical performance with excellently correcting various aberrations, and an optical apparatus equipped therewith.
摘要翻译：一种透镜系统，其从物体侧依次包括：第一透镜组G1; 和具有正折射光焦度的第二透镜组G2; 包括具有正折光力的子透镜组GS11的第一透镜组G1和具有负屈光力的副透镜组GS12，具有负屈光力的副透镜组GS12包括具有面向物体的凸面的弯月形透镜在满足条件的情况下，由此提供具有高光学性能的透镜系统，并且具有良好地校正各种像差，以及配备有其的光学装置。

8. 发明授权

US07502173B2 Zoom lens system 有权
标题翻译：变焦镜头系统
公开(公告)号：US07502173B2
公开(公告)日：2009-03-10
申请号：US11548927
申请日：2006-10-12
申请人： Akihiko Obama
发明人： Akihiko Obama
IPC分类号： G02B15/14
CPC分类号： G02B27/646 , G02B15/173
摘要： A zoom lens system includes, in order from an object, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens group having positive power, and a fifth lens group having positive power. Upon zooming from a wide-angle end state to a telephoto end state, the first and fifth lens groups moves with respect to the image plane, the second lens group moves at first to the image and then to the object, and the third and fourth lens groups move to the object such that a distance between the first and second lens groups increases, a distance between the second and third lens group decreases, a distance between the third and fourth lens groups decreases, and a distance between the fourth and fifth lens groups increases. Given conditional expressions are satisfied.
摘要翻译：变焦透镜系统从物体起依次包括具有正光焦度的第一透镜组，具有负光焦度的第二透镜组，具有正光焦度的第三透镜组，具有正光焦度的第四透镜组，以及具有正光焦度的第五透镜组，积极的力量当从广角端状态变焦到长焦端状态时，第一透镜组和第五透镜组相对于像平面移动，第二透镜组首先移动到图像然后移动到对象，并且第三和第四透镜组透镜组移动到物体，使得第一和第二透镜组之间的距离增加，第二和第三透镜组之间的距离减小，第三和第四透镜组之间的距离减小，并且第四和第五透镜之间的距离团体增加。给定条件表达式是满意的。

9. 发明申请

US20070070514A1 Zoom lens system 有权
公开(公告)号：US20070070514A1
公开(公告)日：2007-03-29
申请号：US11548897
申请日：2006-10-12
申请人： Akihiko Obama
发明人： Akihiko Obama
IPC分类号： G02B15/14
CPC分类号： G02B27/646 , G02B15/173
摘要： A zoom lens system includes, in order from an object, a first lens group having positive power, a second lens group having negative power, a third lens group having positive power, a fourth lens group having positive power, and a fifth lens group having positive power. Upon zooming from a wide-angle end state to a telephoto end state, the first and fifth lens groups moves with respect to the image plane, the second lens group moves at first to the image and then to the object, and the third and fourth lens groups move to the object such that a distance between the first and second lens groups increases, a distance between the second and third lens group decreases, a distance between the third and fourth lens groups decreases, and a distance between the fourth and fifth lens groups increases. Given conditional expressions are satisfied.

10. 发明授权

US06771430B2 Zoom lens system 有权
标题翻译：变焦镜头系统
公开(公告)号：US06771430B2
公开(公告)日：2004-08-03
申请号：US10244424
申请日：2002-09-17
申请人： Akihiko Obama
发明人： Akihiko Obama
IPC分类号： G02B1514
CPC分类号： G02B15/177
摘要： According to one aspect of the present invention, a zoom lens system includes, in order from an object along an optical axis, a first lens group having negative refractive power, and a second lens group having positive refractive power. A distance between the first lens group and the second lens group decreases when the state of lens group positions varies from a wide-angle end state to a telephoto end state. The second lens group is composed of, in order from the object, a first lens having positive refractive power, a first cemented lens having negative refractive power, and a second cemented lens having positive refractive power. The first cemented lens in the second lens group is constructed by a positive lens cemented with a negative lens. The second cemented lens in the second lens group is constructed by a negative lens cemented with a positive lens.
摘要翻译：根据本发明的一个方面，变焦透镜系统按照从物体沿着光轴的顺序包括具有负折光力的第一透镜组和具有正折光力的第二透镜组。当透镜组位置的状态从广角端状态变为远摄端状态时，第一透镜组与第二透镜组之间的距离减小。第二透镜组从物体起依次具有正屈光力的第一透镜，具有负屈光力的第一胶合透镜和具有正屈光力的第二胶合透镜。第二透镜组中的第一胶合透镜由用负透镜胶合的正透镜构成。第二透镜组中的第二胶合透镜由用正透镜胶合的负透镜构成。

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