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1. 发明公开

EP4208749A1 ZOOM LENS 审中-实审
公开(公告)号：EP4208749A1
公开(公告)日：2023-07-12
申请号：EP21949918.3
申请日：2021-10-14
申请人： Zhejiang Dahua Technology Co., Ltd.
发明人： XING, Yuanyuan , LIU, Kai , DING, Hongxing
IPC分类号： G02B15/14 , G02B15/167 , G02B13/18

2. 发明授权

EP2287649B1 Zoom lens system and image pickup apparatus including the same 有权
公开(公告)号：EP2287649B1
公开(公告)日：2019-02-27
申请号：EP10172365.8
申请日：2010-08-10
申请人： Canon Kabushiki Kaisha
发明人： Wakazono, Tsuyoshi , Hori, Masao
IPC分类号： G02B15/167 , G02B27/00

3. 发明公开

EP2933672A4 IMAGING OPTICS 失效
标题翻译： BILDGEBUNGSOPTIK
公开(公告)号：EP2933672A4
公开(公告)日：2016-12-14
申请号：EP13875153
申请日：2013-11-15
申请人： YABE AKIRA
发明人： YABE AKIRA
IPC分类号： G02B15/20 , G02B13/00 , G02B13/18 , G02B15/167 , H04N5/232
CPC分类号： G02B15/167 , G02B13/009 , G02B15/20 , H04N5/23212
摘要： Problem to be solved is to provide a thin imaging optical system which has the function of the magnification adjustment and can be embedded in a small electronic device the space and the depth of which are limited. An imaging optical system 101 of the present invention has the function of the magnification adjustment which enables the magnification adjustment and keeps the ray height corresponding to the V-edges low over the entire optical system, by comprising a prism P that has the function to bend the optical axis 90 degrees at the object side, the first lens group G1 that has positive power and forms an intermediate real image II, the second lens group G2 that has positive power and refracts the off-axis ray bundles toward along the optical axis, and the third lens group G3 that has positive power and relays the intermediate image II onto the image sensor 50, in order after the optical axis bending means.
摘要翻译：要解决的问题是提供一种具有放大调整功能的薄成像光学系统，并且可以将其嵌入小型电子设备中，其空间和深度受到限制。本发明的成像光学系统101具有能够进行倍率调整的放大倍率调整功能，通过包括具有弯曲功能的棱镜P，能够在整个光学系统上保持与V边缘对应的光线高度低的功能物镜侧的光轴90度，具有正光焦度并形成中间实像II的第一透镜组G1，具有正光焦度的第二透镜组G2，并沿着光轴折射离轴光束，和具有正电力的第三透镜组G3，并且在光轴弯曲装置之后依次将中间图像II中继到图像传感器50上。

4. 发明公开

EP2884322A1 VARIABLE MAGNIFICATION OPTICAL SYSTEM, OPTICAL DEVICE, AND PRODUCTION METHOD FOR VARIABLE MAGNIFICATION OPTICAL SYSTEM 审中-公开
标题翻译： OPTISCHES系统麻醉机VERGRÖSSERUNG
公开(公告)号：EP2884322A1
公开(公告)日：2015-06-17
申请号：EP13827812.2
申请日：2013-08-09
申请人： Nikon Corporation
发明人： YAMAGUCHI, Satoshi , TANAKA, Issei
IPC分类号： G02B15/167 , G02B1/11 , G02B13/18
CPC分类号： G02B15/173 , G02B1/11 , G02B15/28 , G02B27/646
摘要： Comprising, in order from an object side: a first lens group G1 having positive refractive power; a second lens group G2 having negative refractive power; a third lens group G3 having positive refractive power; and a fourth lens group G4 having positive refractive power; upon zooming from a wide-angle end state to a telephoto end state, the first lens group G1 being fixed in the position in the direction of the optical axis, at least the second lens group G2 and the third lens group G3 being moved in the direction of the optical axis such that a distance between the first lens group G1 and the second lens group G2 is increased and a distance between the second lens group G2 and the third lens group G3 is decreased; and a predetermined conditional expression being satisfied, thereby providing a variable magnification optical system which can suppress variations in aberrations upon zooming and having excellent optical performance from a wide angle end state to a telephoto end state, an optical apparatus, and a method for manufacturing a variable magnification optical system.
摘要翻译：从物体侧起依次包括：具有正折射力的第一透镜组G1; 具有负屈光力的第二透镜组G2; 具有正折射力的第三透镜组G3; 和具有正折射光焦度的第四透镜组G4; 在从广角端状态变焦到长焦端状态时，第一透镜组G1被固定在光轴方向的位置，至少第二透镜组G2和第三透镜组G3在使得第一透镜组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; 并且满足预定的条件表达式，从而提供可以抑制变焦时的像差变化并且具有从广角端状态到望远端状态的优异的光学性能的可变放大倍数光学系统，光学装置和用于制造可变放大光学系统。

5. 发明公开

EP2093599A4 VARIABLE MAGNIFICATION OPTICAL SYSTEM, IMAGE PICKING-UP DEVICE AND DIGITAL EQUIPMENT 审中-公开
标题翻译：变倍，图像捕获设备和数字设备的光学系统
公开(公告)号：EP2093599A4
公开(公告)日：2013-03-27
申请号：EP07832548
申请日：2007-11-27
申请人： KONICA MINOLTA OPTO INC
发明人： MATSUSAKA KEIJI , FUKUTA YASUNARI , OHZAWA SOH
IPC分类号： G02B15/20 , G02B13/00 , G02B13/18 , G02B15/16 , G02B15/167 , G02B15/177
CPC分类号： G02B15/177 , G02B13/004 , G02B13/009

6. 发明公开

EP2506059A1 Zoom lens and image pickup apparatus including the same 审中-公开
标题翻译：变焦镜头和包括它的图像拾取设备
公开(公告)号：EP2506059A1
公开(公告)日：2012-10-03
申请号：EP12001930.2
申请日：2012-03-20
申请人： Canon Kabushiki Kaisha
发明人： Wakazono, Tsuyoshi , Usui, Fumiaki
IPC分类号： G02B15/167 , G02B15/24
CPC分类号： G02B15/173
摘要： A zoom lens includes, in order from an object side: a first lens unit having positive refractive power which does not move for varying magnification; a magnification-varying lens unit including at least two lens units which move for varying magnification; an aperture stop; and an imaging lens unit having positive refractive power which does not move for varying magnification, in which: the first lens unit includes, in order from the object side, a first sub-lens unit having positive refractive power, a second sub-lens unit having negative refractive power, and a third sub-lens unit having positive refractive power; the second sub-lens unit is driven to the object side so as to perform focus adjustment to an object at a short distance; and the following expression is satisfied: 0.07
摘要翻译：一种变焦镜头从物体侧开始依次包括：具有正折光力的第一透镜单元，该第一透镜单元为了变倍而不移动; 包括至少两个透镜单元的放大变化透镜单元，所述透镜单元为了变化放大而移动; 一个光圈; 以及具有正屈光力的成像透镜单元，所述成像透镜单元在变倍时不移动，其中：所述第一透镜单元从物侧依次包括具有正屈光力的第一子透镜单元，第二子透镜单元具有负屈光力，以及具有正屈光力的第三子透镜单元; 第二子透镜单元被驱动到物体侧以对近距离的物体执行聚焦调节; 并且满足以下表达式：0.07

7. 发明公开

EP1877850A4 COMPACT HIGH PERFORMANCE ZOOM LENS SYSTEM 有权转让
标题翻译：紧凑型高性能变焦镜头系统
公开(公告)号：EP1877850A4
公开(公告)日：2010-04-21
申请号：EP06739300
申请日：2006-03-22
申请人： PANAVISION INT LP
发明人： YAMANASHI TAKANORI , NEIL IAIN A , MOSKOVICH JACOB
IPC分类号： G02B15/14 , G02B15/167
CPC分类号： G02B13/18 , G02B15/177

8. 发明公开

EP2034346A1 ZOOM LENS AND IMAGING DEVICE 审中-公开
标题翻译： ABBODUNGSVORRICHTUNG的ZOOMOBJEKTIV
公开(公告)号：EP2034346A1
公开(公告)日：2009-03-11
申请号：EP07767820.9
申请日：2007-06-28
申请人： Sony Corporation
发明人： TAMURA, Masaki
IPC分类号： G02B15/167 , G02B13/18
CPC分类号： G02B15/177 , G02B15/173
摘要： This is addressed to provide a zoom lens which has a good optical performance for imaging device having a large number of pixels even with its simple construction, and which can also be small and thin in structure, and an imaging apparatus using the zoom lens. A zoom lens 1 is composed by arranging, in the following order from an object side, a first lens group GR1 having a weak refractive power, a second lens group GR2 having a negative refractive power, a third lens group GR3 having a positive refractive power, and a fourth lens group GR4 having a positive refractive power, and is configured to perform zooming by moving the second lens group and the third lens group. The first lens group is composed by arranging, in the order from an object side, a single lens G1 having a a negative refractive power, a prism G1 for folding an optical path, and a single lens G3 having a a positive refractive power. The second lens group is composed of one single lens G4 having a negative refractive power, and satisfies the following conditional formula (1) : t ⁢ 2 / fw 0.4
where t2 represents the center thickness of the single lens having a negative refractive power constituting the second lens group, and fw represents the focal length of a whole lens system at a wide-angle position.
摘要翻译：这是为了提供一种即使具有简单结构也具有大量像素的成像装置具有良好的光学性能的变焦透镜，并且其结构也可以是小型和薄型的，以及使用变焦透镜的成像装置。变焦透镜1通过从物体侧依次配置具有弱折射力的第一透镜组GR1，具有负折光力的第二透镜组GR2，具有正折光力的第三透镜组GR3 以及具有正折光力的第四透镜组GR4，并且被配置为通过移动第二透镜组和第三透镜组来执行变焦。第一透镜组通过以物体侧的顺序排列具有负折光力的单透镜G1，用于折叠光路的棱镜G1和具有正折光力的单透镜G3来构成。第二透镜组由具有负折光力的一个单透镜G4组成，并且满足以下条件式（1）：t ¢2 / fw <0.4其中，t2表示具有负屈光力的单透镜的中心厚度构成第二透镜组，fw表示整个透镜系统在广角位置的焦距。

9. 发明公开

EP0890861A3 Zoom lens 失效
标题翻译： Zoomobjektiv
公开(公告)号：EP0890861A3
公开(公告)日：2001-01-17
申请号：EP98305463.6
申请日：1998-07-09
申请人： CANON KABUSHIKI KAISHA
发明人： Usui, Fumiaki
IPC分类号： G02B15/16 , G02B15/167
CPC分类号： G02B15/173
摘要： This specification discloses a zoom lens which has, in succession from the object side, a first lens unit of positive refractive power, a second lens unit of negative refractive power for focal length change, a third lens unit for correcting the changing of an imaging plane resulting from a focal length change, and a fourth lens unit of positive refractive power, and in which an aspherical surface AS1 is provided on at least one lens surface constituting the first lens unit and satisfying 1.65 ¼ , and the power disposition and achromatism condition of the first lens unit, a focusing system, etc. are appropriately set.
摘要翻译：本说明书公开了一种变形透镜，其从物体侧依次具有正屈光力的第一透镜单元，用于焦距变化的负折射力的第二透镜单元，用于校正成像面的变化的第三透镜单元由焦距变化产生的第一透镜单元和正屈光力的第四透镜单元，并且其中非球面AS1设置在构成第一透镜单元的至少一个透镜表面上并且满足1.65

10. 发明公开

EP0751414A3 Zoom lens 失效
标题翻译：变焦距镜头
公开(公告)号：EP0751414A3
公开(公告)日：1997-12-17
申请号：EP96110388.4
申请日：1996-06-27
申请人： CANON KABUSHIKI KAISHA
发明人： Fukami,Kiyoshi , c/o Canon Kabushiki Kaisha
IPC分类号： G02B15/167
CPC分类号： G02B15/173
摘要： A zoom lens comprises, in order from an object side to an image side, a first lens unit of positive refractive power which is stationary during zooming, a second lens unit of negative refractive power which is axially movable during zooming, a third lens unit which is axially movable during zooming, and a fourth lens unit of positive refractive power which is stationary during zooming, wherein the first lens unit comprises a front lens sub-unit including at least one positive lens and having a negative refractive power as a whole, an intermediate lens sub-unit including at least one positive lens and a cemented lens and having a positive refractive power as a whole, and a rear lens sub-unit including a cemented lens and having a positive refractive power as a whole, and wherein the intermediate lens sub-unit is moved toward the image side to effect focusing from an infinitely distant object to an object at a minimum object distance.

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