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    • 6. 发明申请
    • OPTICAL SYSTEMS FOR MULTI-SENSOR ENDOSCOPES
    • 用于多传感器内窥镜的光学系统
    • WO2012056453A2
    • 2012-05-03
    • PCT/IL2011/000832
    • 2011-10-27
    • PEERMEDICAL LTD.KIRMA, YanivLEVIN, VictorLEVI, Moshe
    • KIRMA, YanivLEVIN, VictorLEVI, Moshe
    • A61B1/055
    • G02B23/243A61B1/00096A61B1/00177A61B1/00181A61B1/00188A61B1/05G02B9/60G02B13/0015G02B13/005G02B13/06G02B23/2407G02B23/2461G02B23/2476G02B23/2484
    • There is provided herein an optical system for a tip section of a multi-sensor endoscope, the system comprising: a front-pointing camera sensor; a front objective lens system; a side-pointing camera sensor; and a side objective lens system, wherein at least one of said front and side objective lens systems comprises a front and a rear sub-systems seperated by a stop diaphragm,said front sub-system comprises, in order from the object side, a first front negative lens and a second front positive lens, said rear sub-system comprises, in order from the object side, a first rear positive lens, an achromatic sub-assembly comprising a second rear positive lens and a third rear negative lens, wherein the following condition is satisfied: f(first rear positive lens) ≤1.8f, where f is the composite focal length of the total lens system and f(first rear positive lens) is the focal length of said first rear positive lens.
    • 本文提供了一种用于多传感器内窥镜的末端部分的光学系统,所述系统包括:前指向相机传感器; 前物镜系统; 侧向摄像头传感器; 和一个侧面物镜系统,其中至少一个所述前,后物镜系统包括一个由停止光阑隔开的前后子系统,所述前子系统按从物体侧开始的顺序包括第一 前部负透镜和第二前部正透镜,所述后部子系统按从物侧起的顺序包括第一后​​部正透镜,包括第二后部正透镜和第三后部负透镜的消色差子组件,其中所述 满足以下条件:f(第一后部正透镜)≤1.8f,其中f是整个透镜系统的合成焦距,并且f(第一后部正透镜)是所述第一后部正透镜的焦距。 >