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Viewer with enhanced wide field view

  • US 6,069,735 A
  • Filed: 12/10/1998
  • Issued: 05/30/2000
  • Est. Priority Date: 12/10/1998
  • Status: Expired due to Fees
First Claim
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1. A viewer comprising:

  • a substantially enclosed housing having at least a front wall and a rear wall,wherein said front wall has two lens receiving openings defined therein and first and second lenses affixed thereto,wherein said first and second lenses have a focal length of between 45 and 60 millimeters,wherein said first and second lenses are affixed in said front wall such that the focal axes of said first and second lenses diverge from one another in the horizontal at an angle of between 0 to 10 degrees from parallel,wherein said first and second lenses each have a diameter of between 19 and 31 millimeters;

    wherein said rear wall is spaced from said front wall at a distance substantially the same as the focal length of said first and second lenses,wherein said rear wall has at least two images thereon,wherein each of said images has a vertical length of between 52 and 60 millimeters and a horizontal length of between 57 and 60 millimeters, with spacing between the centers of said two images between 60 and 65 millimeters in the horizontal direction.

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