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    • 3. 发明申请
    • Four-Piece All-Aspheric Adapter Fisheye Lens
    • 四片全非球面适配器鱼眼镜头
    • US20160054547A1
    • 2016-02-25
    • US14465146
    • 2014-08-21
    • OmniVision Technologies, Inc.
    • Chuen-Yi YinJau-Jan Deng
    • G02B13/06G03B17/56G02B13/18G02B9/34G02B27/00
    • G02B13/06G02B9/34G02B13/004G02B13/18G02B27/0025G03B17/565G03B37/00
    • A four-piece all-aspheric adapter fisheye lens includes a negative meniscus lens, a biconcave lens, a positive meniscus lens, and a biconvex lens. The biconcave lens is between the negative meniscus lens and the positive meniscus lens; the positive meniscus lens is between the biconcave lens and the biconvex lens. The negative meniscus lens, the biconcave lens, the positive meniscus lens, and the biconvex lens are coaxial and arranged with an exit pupil to cooperatively generate an image with a camera lens that has greater field of view than the camera lens alone when the exit pupil is coplanar and coaxial with an entrance pupil of the camera lens. Each of the negative meniscus lens, the biconcave lens, the positive meniscus lens, and the biconvex lens has an aspheric object-side surface and an aspheric image-side surface.
    • 四片全非球面适配器鱼眼镜片包括负弯月透镜,双凹透镜,正弯月透镜和双凸透镜。 双凹透镜位于负弯月透镜和正弯月透镜之间; 正弯月透镜位于双凹透镜和双凸透镜之间。 负弯月透镜,双凸透镜,正弯月透镜和双凸透镜同轴并布置有出射光瞳,以便在出射光瞳上与摄像机镜头独立地具有更大的视野的相机镜头协同地产生图像 与摄像机镜头的入射光瞳共面和同轴。 负弯月形透镜,双凹透镜,正弯月透镜和双凸透镜中的每一个具有非球面物体侧表面和非球面图像侧表面。