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1. 发明申请

US20180031811A1 OPTICAL SYSTEM, OPTICAL DEVICE, AND METHOD FOR ADJUSTING OPTICAL SYSTEM 审中-公开
公开(公告)号：US20180031811A1
公开(公告)日：2018-02-01
申请号：US15550440
申请日：2016-02-25
申请人： Nikon Corporation
发明人： Satoshi MIWA , Masashi YAMASHITA
IPC分类号： G02B15/167 , G02B7/04 , G02B27/64 , G02B13/02 , G02B27/00
CPC分类号： G02B15/167 , G02B7/04 , G02B13/02 , G02B15/22 , G02B15/28 , G02B27/0037 , G02B27/646
摘要： An optical system includes: a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group, disposed in this order along an optical axis starting from an object side, wherein: the second lens group is movable along the optical axis to perform focusing from an infinity-distance object to a short-distance object; and the third lens group comprises: a vibration-proofing lens group configured to be movable in a direction having a component perpendicular to the optical axis to perform image surface correction on image blurring; and an adjustment lens group that is disposed closer to an image side than the vibration-proofing lens group is, the adjustment lens group including a negative lens Ln and a lens group having a positive refractive power, disposed next to the negative lens Ln, and the adjustment lens group being capable of adjusting an air gap between the negative lens Ln and the lens group having a positive refractive power.

2. 发明授权

US09746653B2 Imaging lens and imaging apparatus 有权
公开(公告)号：US09746653B2
公开(公告)日：2017-08-29
申请号：US14940271
申请日：2015-11-13
申请人： FUJIFILM Corporation
发明人： Ping Sun
IPC分类号： G02B15/22 , G02B13/04 , G02B15/177
CPC分类号： G02B15/22 , G02B13/04 , G02B15/177
摘要： An imaging lens is constituted by, in order from the object side to the image side: a first lens group having a negative refractive power; a second lens group having a positive refractive power; a stop; and a third lens group having a positive refractive power or a negative refractive power. The first lens group has at least two positive lenses, a first positive lens from among the at least two positive lenses being positioned most toward the object side, and three negative lenses being consecutively provided adjacent to the first positive lens at the image side thereof. The first lens group is fixed with respect to an imaging surface, and focusing operations are performed by moving the second lens group and the third lens group.

3. 发明申请

US20170242227A1 ZOOM LENS SYSTEM, INTERCHANGEABLE LENS DEVICE AND CAMERA SYSTEM WITH ZOOM LENS SYSTEM, AND IMAGING APPARATUS WITH ZOOM LENS SYSTEM 有权
公开(公告)号：US20170242227A1
公开(公告)日：2017-08-24
申请号：US15419143
申请日：2017-01-30
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： TAKAHIRO KITADA , SHUNICHIRO YOSHINAGA , TAKAKAZU BITO
IPC分类号： G02B15/163 , H04N5/225 , G02B15/20 , G02B27/64
CPC分类号： G02B15/163 , G02B15/173 , G02B15/20 , G02B15/22 , G02B27/646
摘要： The zoom lens system includes a first lens group with positive power, a second lens group with negative power, a third lens group with positive power, a fourth lens group with negative power, and a fifth lens group with positive power. An aperture stop is provided between the second and the third lens groups. The third lens group includes lens element L3a and L3b with positive power, lens element L3c with negative power, and lens element L3d with positive power. The lens elements L3c and L3d are cemented. The lens element L3b corrects image blurring. The fourth lens group moves when focusing. When zooming, the first to the fourth lens group move.Here, condition (1) below is satisfied. 0.24

4. 发明申请

US20170235113A1 MACRO LENS 审中-公开
公开(公告)号：US20170235113A1
公开(公告)日：2017-08-17
申请号：US15501406
申请日：2015-08-06
申请人： Sean J. MCCAFFERTY
发明人： Sean J. MCCAFFERTY
IPC分类号： G02B15/22 , G02B7/105
CPC分类号： G02B15/22 , G02B3/14 , G02B7/105 , G02B13/18
摘要： Accommodating (re-focusable) macro lens system which includes first and second individual lenses having first and second optical portions sequentially disposed along an optical axis. Change in optical-power of macro lens results from by changing the flattened area of contact between the lenses in response to force applied to the lenses axially by an external compressor operably

5. 发明授权

US09678319B2 Zoom lens 有权
公开(公告)号：US09678319B2
公开(公告)日：2017-06-13
申请号：US14747864
申请日：2015-06-23
申请人： OLYMPUS CORPORATION
发明人： Hirohiko Kimata , Yasuharu Yamada , Kenichi Nagasawa , Hiroshi Kodama , Toshio Takahashi , Kento Kokubu
IPC分类号： G02B15/14 , G02B15/22 , G02B15/177 , G02B15/173
CPC分类号： G02B15/22 , G02B15/14 , G02B15/173 , G02B15/177
摘要： 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.

6. 发明申请

US20170068073A1 ZOOM LENS AND IMAGING APPARATUS 有权
标题翻译：变焦镜头和成像装置
公开(公告)号：US20170068073A1
公开(公告)日：2017-03-09
申请号：US15254000
申请日：2016-09-01
申请人： FUJIFILM Corporation
发明人： Hajime INUKAI , Michio CHO
IPC分类号： G02B15/17 , G02B27/00 , G02B5/00
CPC分类号： G02B15/17 , G02B3/04 , G02B5/005 , G02B9/00 , G02B9/34 , G02B9/60 , G02B13/0045 , G02B13/006 , G02B13/009 , G02B13/18 , G02B15/14 , G02B15/15 , G02B15/16 , G02B15/20 , G02B15/22 , G02B27/0025
摘要： A zoom lens is constituted by, in order from the object side to the image side: a positive first group which is fixed when changing magnification, a negative second lens group which moves when changing magnification, a negative third lens group which moves when changing magnification, and a positive fourth lens group which is fixed when changing magnification. The first lens group is constituted by a 1a lens of a negative meniscus shape, a positive 1b lens, and a positive 1c lens. The second lens group is constituted by a negative 2a lens, a biconcave 2b lens, a positive 2c lens, and a negative 2d lens. The third lens group is constituted by a negative 3a lens and a positive 3b lens. The fourth lens group includes a 4a lens, an aperture stop, and a positive 4b lens, which are consecutively provided from the most object side thereof.
摘要翻译：变焦透镜从物体侧到像侧依次构成：变倍时固定的正第一组，变倍时移动的负第二透镜组，变倍时移动的负第三透镜组以及在变倍时固定的正的第四透镜组。第一透镜组由负弯月面形状的1a透镜，正1b透镜和正1c透镜构成。第二透镜组由负2a透镜，双凹面2b透镜，正2c透镜和负2d透镜构成。第三透镜组由负3a透镜和正3b透镜构成。第四透镜组包括从其最物体侧连续提供的4a透镜，孔径光阑和正4b透镜。

7. 发明申请

US20170038569A1 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME 审中-公开
标题翻译：变焦镜头和图像拾取器具
公开(公告)号：US20170038569A1
公开(公告)日：2017-02-09
申请号：US15331579
申请日：2016-10-21
申请人： CANON KABUSHIKI KAISHA
发明人： Shigenobu Sugita
IPC分类号： G02B15/177 , G02B7/10 , G02B15/22
CPC分类号： G02B15/22 , G02B7/102 , G02B15/14 , G02B15/177 , H04N5/2253 , H04N5/2254 , H04N5/369
摘要： A zoom lens includes, in order from an object side to an image side, a lens unit Ln having the highest negative refractive power of all the following lens units, a lens unit Lm2 having positive refractive power, a lens unit Lm having negative refractive power, and a rear lens group Lp including one or more lens units and having overall positive refractive power. During zooming, a distance between every adjacent lens units varies. During focusing from an infinite distance to a minimum object distance, the lens unit Ln and the lens unit Lm move toward the object side. The focal length FLm of the lens unit Lm and the focal length FLm2 of the lens unit Lm2 are appropriately set.
摘要翻译：变焦透镜从物体侧到像侧依次包括具有所有后续透镜单元的负折射能力最高的透镜单元Ln，具有正折光力的透镜单元Lm2，具有负折光力的透镜单元Lm 以及包括一个或多个透镜单元并且具有总体正折射光焦度的后透镜组Lp。在变焦期间，每个相邻的镜头单元之间的距离是变化的。在从无限距离到最小对象距离的聚焦期间，透镜单元Ln和透镜单元Lm朝向物体侧移动。透镜单元Lm的焦距FLm和透镜单元Lm2的焦距FLm2被适当地设定。

8. 发明申请

US20160349492A1 ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME 有权
标题翻译：变焦镜头和图像拾取器具
公开(公告)号：US20160349492A1
公开(公告)日：2016-12-01
申请号：US15165215
申请日：2016-05-26
申请人： CANON KABUSHIKI KAISHA
发明人： Satoshi Maetaki
IPC分类号： G02B15/22
CPC分类号： G02B15/22 , G02B15/14
摘要： A zoom lens has a first positive lens unit having a positive refractive power, a second positive lens unit arranged adjacent to the first positive lens unit on its image side, a third positive lens unit arranged adjacent to the second positive lens unit on its image side, and a front lens group arranged on the object side of the first positive lens unit. Appropriate conditions concerning the refractive power of the front lens group, the focal length of the second positive lens unit, and the focal length of the zoom lens at the wide angle end are given.
摘要翻译：变焦透镜具有正屈光力的第一正透镜单元，在其像侧与第一正透镜单元相邻布置的第二正透镜单元，在其像侧上与第二正透镜单元相邻布置的第三正透镜单元以及布置在第一正透镜单元的物体侧的前透镜组。给出了关于前透镜组的屈光力，第二正透镜单元的焦距和广角端的变焦透镜的焦距的适当条件。

9. 发明授权

US09507169B2 Zoom lens and imaging apparatus 有权
标题翻译：变焦镜头和成像设备
公开(公告)号：US09507169B2
公开(公告)日：2016-11-29
申请号：US14284731
申请日：2014-05-22
申请人： Tamron Co., Ltd.
发明人： Yasuhiko Obikane
IPC分类号： G02B27/64 , G02B15/14 , G02B15/22 , G02B15/173
CPC分类号： G02B27/646 , G02B15/14 , G02B15/173 , G02B15/22
摘要： A zoom lens includes a first lens group having positive refracting power, a second lens group having negative refracting power, a third lens group having positive refracting power, a fourth lens group having negative refracting power and a fifth lens group having negative refracting power in order from an object side, in which the lens groups move in magnification change from a wide angle end to a telephoto end such that a gap between the first lens group and the second lens group increases and a gap between the second lens group and the third lens group decreases, a negative lens group disposed closer to an image focusing side than a diaphragm among all lens groups is set as a focusing lens group, and the focusing lens group moves toward the image focusing side at focusing from infinity to a close object, the zoom lens satisfies a conditional expression.
摘要翻译：变焦透镜包括具有正折射率的第一透镜组，具有负折射力的第二透镜组，具有正折射率的第三透镜组，具有负折射光焦度的第四透镜组和具有负折射光焦度的第五透镜组，具有负折射力的第五透镜组从物体侧起，透镜组从广角端到远摄端的放大变化，使得第一透镜组和第二透镜组之间的间隙增加，并且第二透镜组和第三透镜之间的间隙组减小，将设置在所有透镜组中的比聚光侧更靠近图像聚焦侧的负透镜组设置为聚焦透镜组，并且聚焦透镜组在从无穷远到近距离物体聚焦时朝向图像聚焦侧移动，变焦镜头满足条件表达式。

10. 发明授权

US09377606B2 Zoom lens and image pickup device including the same 有权
标题翻译：变焦镜头和摄像装置包括它
公开(公告)号：US09377606B2
公开(公告)日：2016-06-28
申请号：US14258655
申请日：2014-04-22
申请人： CANON KABUSHIKI KAISHA
发明人： Makoto Nakahara
IPC分类号： G02B15/14 , G02B15/177 , G02B15/22
CPC分类号： G02B15/177 , G02B15/22
摘要： A zoom lens includes, in order from an object side to an image side: first and second lens units having negative and positive refractive powers, respectively; a middle lens group; and a final lens unit having a positive refractive power, wherein the middle lens group comprises a focus lens unit that has a negative refractive power and moves toward the image side during focusing from infinity to a short distance, the intervals between adjacent lens units vary during at least one of zooming and focusing, and wherein the focal length fimg of the final lens unit, the focal length ff of the focus lens unit, and the focal length fw of the entire system at the wide angle end are appropriately configured.
摘要翻译：变焦透镜分别从物体侧到像侧依次包括具有负和正折射光焦度的第一和第二透镜单元; 中间镜片组; 以及具有正屈光力的最终透镜单元，其中，所述中间透镜组包括聚焦透镜单元，所述聚焦透镜单元在从无穷远到短距离聚焦期间具有负折光力并朝向所述像侧移动，所述相邻透镜单元之间的间隔在缩放和聚焦中的至少一个，并且其中适当地构造最终透镜单元的焦距fimg，焦点透镜单元的焦距ff以及广角端处的整个系统的焦距fw。

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