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Reimaging optical system and endoscope using the same

  • US 8,139,296 B2
  • Filed: 02/10/2009
  • Issued: 03/20/2012
  • Est. Priority Date: 02/12/2008
  • Status: Active Grant
First Claim
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1. A reimaging optical system adapted to re-form an image by an image guide on a solid-state imaging device having a diagonal length of 6.5 mm or longer, characterized by satisfying the following condition:


  • 0.6<

    (D×

    β

    )/V



    (1)where D is a diameter of said image guide, β

    is an optical transverse magnification of said reimaging optical system, and V in mm is a minor axis direction length of an imaging area of said solid-state imaging device.

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