Invention Grant
US08456760B2 Lens system with high resolution, low chromatic aberration, and long flange back 有权
镜头系统具有高分辨率,低色差和长法兰背

  • Patent Title: Lens system with high resolution, low chromatic aberration, and long flange back
  • Patent Title (中): 镜头系统具有高分辨率,低色差和长法兰背
  • Application No.: US13036019
    Application Date: 2011-02-28
  • Publication No.: US08456760B2
    Publication Date: 2013-06-04
  • 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: TW99146197A 20101228
  • Main IPC: G02B13/18
  • IPC: G02B13/18 G02B9/12
Lens system with high resolution, low chromatic aberration, and long flange back
Abstract:
A lens system includes a first, a second and a third lenses, and an image plane. The lens system satisfies the formulae: FB/TTL>0.30; G1R2/F1>19.54; and D1/D2
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