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11.
公开(公告)号:US20180180860A1
公开(公告)日:2018-06-28
申请号:US15850537
申请日:2017-12-21
Inventor: Yoshiaki KURIOKA , Takahiro KITADA
IPC: G02B15/173 , G02B27/00 , G02B13/02
CPC classification number: G02B15/173 , G02B13/02 , G02B27/0025 , G02B27/4205 , G02B27/646 , G03B2205/0007
Abstract: An imaging optical system of the present disclosure includes a first lens group having positive power, a second lens group having negative power, a third lens group having the positive power, and a succeeding lens group including one or more lens groups in order from an object side toward an image side. The third lens group includes a lens having the positive power and a lens having the positive power in order from the object side toward the image side, and includes a lens L3R1 having the positive power, a lens L3R2 having the positive power, and a lens L3R3 having the negative power in order from the image side toward the object side. The lens L3R2 and the lens L3R3 are bonded, the lens L3R1 moves to optically correct image blur, and at least a distance between the second lens group and the third lens group changes during zooming from a wide angle end to a telephoto end.
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公开(公告)号:US20150124127A1
公开(公告)日:2015-05-07
申请号:US14595586
申请日:2015-01-13
Inventor: Tsutomu IWASHITA , Yoshiaki KURIOKA , Takehiro NISHIOKA
CPC classification number: G02B13/009 , G02B15/14 , G02B15/16 , G02B15/173 , H04N5/23296
Abstract: A zoom lens system comprising a plurality of lens units each being composed of at least one lens element, and comprising, in order from an object side to an image side, a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having positive optical power, a fourth lens unit having positive optical power, and a fifth lens unit having negative optical power, wherein the first lens unit is composed of two or less lens elements, the third lens unit is composed of five or more lens elements, and the condition: 5.0
Abstract translation: 一种变焦透镜系统,包括多个透镜单元,每个透镜单元由至少一个透镜元件组成,并且从物体侧到图像侧依次包括具有正光焦度的第一透镜单元,具有负光学的第二透镜单元 电源,具有正光焦度的第三透镜单元,具有正光焦度的第四透镜单元和具有负光焦度的第五透镜单元,其中第一透镜单元由两个或更少的透镜元件组成,第三透镜单元组成 五个或更多个透镜元件,并且满足条件:5.0
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公开(公告)号:US20150103211A1
公开(公告)日:2015-04-16
申请号:US14573406
申请日:2014-12-17
Inventor: Takakazu BITO , Hiroaki SUZUKI , Yoshiaki KURIOKA , Yusuke YONETANI
CPC classification number: G02B15/16 , G02B13/009 , G02B15/173 , G02B15/20 , G02B15/22 , G02B27/4211 , H04N5/2254 , H04N5/23212 , H04N5/23296
Abstract: A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having positive optical power; a second lens unit having negative optical power; a third lens unit having positive optical power; a fourth lens unit having negative optical power; a fifth lens unit; and a sixth lens unit, wherein in zooming from a wide-angle limit to a telephoto limit at a time of image taking, the first lens unit, the second lens unit, the third lens unit, and the fourth lens unit move along an optical axis so that an interval between the third lens unit and the fourth lens unit at the telephoto limit is larger than that at the wide-angle limit, and wherein focusing from an infinity in-focus condition to a close-object in-focus condition is performed by moving the fourth lens unit along the optical axis.
Abstract translation: 变焦透镜系统,从物体侧到像侧依次包括:具有正光焦度的第一透镜单元; 具有负光焦度的第二透镜单元; 具有正光焦度的第三透镜单元; 具有负光焦度的第四透镜单元; 第五透镜单元; 以及第六透镜单元,其中,从图像拍摄时的广角极限变焦到望远极限时,第一透镜单元,第二透镜单元,第三透镜单元和第四透镜单元沿着光学 使得在远摄极限处的第三透镜单元和第四透镜单元之间的间隔大于广角极限处的间隔,并且其中从无限远对焦条件到近距离对焦条件的聚焦是 通过沿着光轴移动第四透镜单元来执行。
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