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Invention Grant
US08482865B2 Image lens with high resolution, low chromatic aberration, and long flange back distance 有权
图像透镜具有高分辨率，低色差和长法兰背距

  • Patent Title: Image lens with high resolution, low chromatic aberration, and long flange back distance
  • Patent Title (中): 图像透镜具有高分辨率，低色差和长法兰背距
  • Application No.: US13303167
    Application Date: 2011-11-23
  • Publication No.: US08482865B2
    Publication Date: 2013-07-09
  • Inventor: Chun-Cheng Ko
  • Applicant: Chun-Cheng Ko
  • Applicant Address: KY George Town
  • Assignee: Wcube Co., Ltd.
  • Current Assignee: Wcube Co., Ltd.
  • Current Assignee Address: KY George Town
  • Agency: Altis Law Group, Inc.
  • Priority: TW100132216A 20110907
  • Main IPC: G02B3/02
  • IPC: G02B3/02 ;  G02B9/04
Image lens with high resolution, low chromatic aberration, and long flange back distance
Abstract:
An image lens includes a first lens and a second lens. The first lens includes a first and a second surfaces. The second lens includes a third and a fourth surfaces. The image lens satisfies: FB/TTL>0.23; G1R1/F1>1.93; Z/Y>0.27; Z/T
Abstract(Chinese):

图像透镜包括第一透镜和第二透镜。 第一透镜包括第一和第二表面。 第二透镜包括第三和第四表面。 图像透镜满足：FB / TTL> 0.23; G1R1 / F1> 1.93; Z / Y> 0.27; Z / T <0.89; G2R1 / F2

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