Patents Assigned to Lookheed Missiles & Space Company, Inc.
  • Patent number: 5089910
    Abstract: A catadioptric zoom relay telescope with an aspherical primary mirror and only three movable lens elements focuses all wavelengths in a broad infrared bandwidth onto a common focal plane with substantially diffraction-limited imagery throughout a changing focal ratio (i.e., a zoom range) from less than f/1.5 to more than f/6.0.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: February 18, 1992
    Assignee: Lookheed Missiles & Space Company, Inc.
    Inventor: Robert D. Sigler