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Optical apparatus

  • US 6,301,064 B1
  • Filed: 08/27/1997
  • Issued: 10/09/2001
  • Est. Priority Date: 08/27/1996
  • Status: Expired due to Term
First Claim
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1. An image forming optical apparatus for forming an image on an image pickup surface of an image pickup element comprising:

  • an optical unit composed of cemented transparent material having a light entrance surface, a light exit surface and a light reflecting surface which is an aspherical surface having not more than one plane of symmetry, and the light entering the light entrance surface propagates through said cemented transparent material, is reflected by said light reflecting surface and exits from said light exit surface; and

    said image pickup element, positioned so that its image pickup surface receives light exiting from said light exit surface.

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