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Decentered optical system

  • US 6,104,540 A
  • Filed: 01/08/1999
  • Issued: 08/15/2000
  • Est. Priority Date: 11/05/1996
  • Status: Expired due to Term
First Claim
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1. An ocular optical system comprising:

  • an image-forming member that forms an observation image; and

    a decentered optical system that leads said observation image to a pupil;

    said decentered optical system having at least one transmitting surface and at least one reflecting surface, wherein a space lying between these surfaces is filled with a medium having a refractive index larger than 1;

    said decentered optical system having at least one optical surface formed form a rotationally asymmetric curved surface having no plane of symmetry.

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