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PRISM OPTICAL SYSTEM, AND IMAGE DISPLAY APPARATUS AND IMAGING APPARATUS INCORPORATING THE PRISM OPTICAL SYSTEM

  • US 20130134301A1
  • Filed: 01/25/2013
  • Published: 05/30/2013
  • Est. Priority Date: 07/27/2010
  • Status: Active Grant
First Claim
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1. A prism optical system comprising at least four optical surfaces, wherein:

  • at least two of the four optical surfaces are rotationally asymmetric surfaces, andone of two surfaces on which light is incident or from which light exits out is capable of one transmission and two internal reflections.

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