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    • 2. 发明申请
    • Photographic Lens Optical System
    • 摄影镜头光学系统
    • US20150177487A1
    • 2015-06-25
    • US14567764
    • 2014-12-11
    • KOLEN CO., LTD.
    • Chi Ho AhnKyoung Soo SongJi Eun KimChan Goo KangSeong Hee Bae
    • G02B13/00G02B9/34G03B13/32
    • G02B13/004G02B9/34
    • A photographic lens optical system includes: a first lens having a negative refractive power and a meniscus shape convex toward an object side; a second lens having a negative refractive power and a meniscus shape convex toward the object side; a third lens having a positive refractive power and a meniscus shape convex toward the object side; and a fourth lens having a positive refractive power and a double convex shape, wherein the first to fourth lenses are sequentially arranged in a direction from the object side to an image side, and the photographic lens optical system satisfies the following condition: 0.18
    • 摄影透镜光学系统包括:具有朝向物体侧凸起的负折光力和弯月形状的第一透镜; 具有朝向物体侧凸出的负屈光力和弯月面形状的第二透镜; 第三透镜,具有朝向物体侧凸起的正折射光焦度和弯月面形状; 以及具有正折射力和双凸形状的第四透镜,其中,所述第一透镜至所述第四透镜沿着从所述物体侧到像侧的方向依次配置,所述摄影透镜光学系统满足以下条件:0.18 < (tan&thetas;)/ f | <0.35其中&thetas; f分别表示摄影镜头光学系统的视角和焦距。
    • 4. 发明申请
    • Photographic Lens Optical System
    • 摄影镜头光学系统
    • US20150185447A1
    • 2015-07-02
    • US14587887
    • 2014-12-31
    • KOLEN CO., LTD.
    • Jae Hoon ChoChi Ho AhnJi Eun KimSe Jin KimSeong Hee Bae
    • G02B13/18H04N5/225G02B13/00
    • H04N5/2254G02B13/0045
    • A photographic lens optical system which includes five lenses sequentially arranged in a direction from an object to an image sensor is disclosed. A first lens may have a positive refractive power and an entrance surface convex toward the object. A second lens may have a negative refractive power and an exit surface concave toward the image sensor. A third lens may have a positive refractive power and a meniscus shape convex toward the image sensor. A fourth lens may have a negative refractive power and a meniscus shape convex toward the image sensor. A fifth lens may have a negative refractive power, and at least one of an entrance surface and an exit surface of the fifth lens may be aspheric. The system may satisfy the formula: |tan θ|/f
    • 公开了一种摄影镜头光学系统,其包括从物体到图像传感器的顺序排列的五个透镜。 第一透镜可以具有正折射光焦度和朝向物体凸出的入射面。 第二透镜可具有朝向图像传感器凹陷的负折光力和出射表面。 第三透镜可以具有朝向图像传感器凸起的正折射光焦度和弯月面形状。 第四透镜可以具有朝向图像传感器凸起的负屈光力和弯月形状。 第五透镜可以具有负折光力,并且第五透镜的入射表面和出射表面中的至少一个可以是非球面的。 该系统可以满足以下公式:| tan&thetas; | / f <1.0,&thetas; 表示系统的视角,以及f表示系统的焦距。
    • 7. 发明授权
    • Photographic lens optical system
    • 摄影镜头光学系统
    • US09549108B2
    • 2017-01-17
    • US14587887
    • 2014-12-31
    • KOLEN CO., LTD.
    • Jae Hoon ChoChi Ho AhnJi Eun KimSe Jin KimSeong Hee Bae
    • G02B3/02H04N5/225G02B13/00
    • H04N5/2254G02B13/0045
    • A photographic lens optical system which includes five lenses sequentially arranged in a direction from an object to an image sensor is disclosed. A first lens may have a positive refractive power and an entrance surface convex toward the object. A second lens may have a negative refractive power and an exit surface concave toward the image sensor. A third lens may have a positive refractive power and a meniscus shape convex toward the image sensor. A fourth lens may have a negative refractive power and a meniscus shape convex toward the image sensor. A fifth lens may have a negative refractive power, and at least one of an entrance surface and an exit surface of the fifth lens may be aspheric. The system may satisfy the formula: | tan θ|/f
    • 公开了一种摄影镜头光学系统,其包括从物体到图像传感器的顺序排列的五个透镜。 第一透镜可以具有正折射光焦度和朝向物体凸出的入射面。 第二透镜可具有朝向图像传感器凹陷的负折光力和出射表面。 第三透镜可以具有朝向图像传感器凸起的正折射光焦度和弯月面形状。 第四透镜可以具有朝向图像传感器凸起的负屈光力和弯月形状。 第五透镜可以具有负折光力,并且第五透镜的入射表面和出射表面中的至少一个可以是非球面的。 该系统可以满足以下公式:| tanθ| / f <1.0,表示系统的视角的θ,f表示系统的焦距。