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1. 发明申请

US20120105966A1 ZOOM LENS, OPTICAL APPARATUS, AND METHOD FOR MANUFACTURING ZOOM LENS 有权
标题翻译：变焦镜头，光学装置和制造变焦镜头的方法
公开(公告)号：US20120105966A1
公开(公告)日：2012-05-03
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 , B23P17/04 , G02B1/11
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。

2. 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.

3. 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。

4. 发明申请

US20110273776A1 ZOOM LENS SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING ZOOM LENS SYSTEM 有权
标题翻译：变焦镜头系统，光学设备和制造变焦镜头系统的方法
公开(公告)号：US20110273776A1
公开(公告)日：2011-11-10
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： G02B15/14 , B05D5/06 , G02B1/11
CPC分类号： G02B15/16 , G02B15/14 , G02B15/173 , Y10T29/49826
摘要： Including, in order from an object side: a first lens group G1 having positive power; a second lens group G2 having negative power; a third lens group G3 having positive power; a fourth lens group G4 having negative power; and a fifth group G5 having positive power, an aperture stop being 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 group G1 and the second lens group G2 increasing, a distance between the second lens group G2 and the third lens group G3 decreasing, a distance between the third lens group G3 and the fourth lens group G4 varying, and a distance between the fourth lens group G4 and the fifth lens group G5 varying, and given conditionals being satisfied, thereby providing a zoom lens system having high optical performance with suppressing variation in aberrations, an optical apparatus equipped therewith, and a method for manufacturing the zoom lens system.
摘要翻译：从物体侧依次包括具有正电力的第一透镜组G1; 具有负功率的第二透镜组G2; 具有正功率的第三透镜组G3; 具有负功率的第四透镜组G4; 以及具有正功率的第五组G5，在从广角端状态变焦到望远端状态时，将孔径光阑设置在第二透镜组的像侧，第一透镜组G1和第二透镜组G1之间的距离透镜组G2增加，第二透镜组G2和第三透镜组G3之间的距离减小，第三透镜组G3和第四透镜组G4之间的距离变化，以及第四透镜组G4和第五透镜之间的距离组G5变化，并且给定条件满足，从而提供具有抑制像差变化的高光学性能的变焦透镜系统，配备有其的光学装置，以及用于制造变焦透镜系统的方法。

5. 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。

6. 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。

7. 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。

8. 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。

9. 发明授权

US08830592B2 Zoom lens, imaging apparatus, and method for manufacturing zoom lens 有权
标题翻译：变焦镜头，成像设备和制造变焦镜头的方法
公开(公告)号：US08830592B2
公开(公告)日：2014-09-09
申请号：US13166631
申请日：2011-06-22
申请人： Haruo Sato , Issei Tanaka
发明人： Haruo Sato , Issei Tanaka
IPC分类号： G02B15/00
CPC分类号： G02B13/04 , G02B1/11 , G02B15/177 , G02B27/0018 , G02B27/646 , G03B19/20
摘要： A zoom lens including, from an object: a front group having negative power; and a rear group having positive power, the rear group including, from the object, a positive lens, a negative lens having a concave surface facing the object, a cemented positive lens constructed by a negative lens and a positive lens, and a cemented lens constructed by a positive lens and a negative lens, the rear group further including a focusing group disposed to the object side of the positive lens La for focusing from infinity to a close object by moving from the object side to an image side, a distance between the front group and the rear group being varied thereby zooming from a wide-angle end state to a telephoto end state, and given condition being satisfied, thereby providing a downsized zoom lens having wide angle of view and excellent optical performance with fewer lenses.
摘要翻译：一种变焦透镜，包括：物体：具有负电力的前组; 和具有正功率的后组，所述后组从所述物体包括正透镜，具有面向所述物体的凹面的负透镜，由负透镜和正透镜构成的胶合正透镜，以及胶合透镜由正透镜和负透镜构成，后组还包括设置在正透镜La的物体侧的聚焦组，用于通过从物体侧向像侧移动而从无穷远到近距离物体的聚焦，前组和后组变化，从广角端状态变焦到望远端状态，并且满足条件，从而提供具有广视角的缩小变焦透镜和具有较少透镜的优异光学性能。

10. 发明授权

US08717686B2 Optical system, optical apparatus and optical system manufacturing method 有权
标题翻译：光学系统，光学仪器和光学系统制造方法
公开(公告)号：US08717686B2
公开(公告)日：2014-05-06
申请号：US13299524
申请日：2011-11-18
申请人： Hiroshi Yamamoto , Issei Tanaka
发明人： Hiroshi Yamamoto , Issei Tanaka
IPC分类号： G02B13/04 , G02B9/04
CPC分类号： G02B13/04 , G02B13/18 , Y10T29/49885 , Y10T29/49904
摘要： An optical system WL has, in order from an object, a first lens group G1 having negative refractive power and a second lens group G2 having positive refractive power, wherein the first lens group G1 is fixed and the second lens group G2 moves upon focusing from an object at infinity to an object at a finite distance, and the second lens group G2 is formed of a front group G2a located closer to the object than an aperture stop S disposed in the second lens group G2, and a rear group G2b located closer to an image than the aperture stop S.
摘要翻译：光学系统WL从物体起依次具有具有负折光力的第一透镜组G1和具有正折光力的第二透镜组G2，其中第一透镜组G1被固定，并且第二透镜组G2在聚焦时移动与有限距离处的物体无限远的物体，第二透镜组G2由位于比第二透镜组G2中的孔径光阑S更靠近物体的前面组G2a形成，后部组G2b位于更接近到比孔径光阑S的图像。

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