Patents Assigned to Optical Systems Design, Inc.
  • Extreme wide angle eyepiece with minimal aberrations
    Patent number: 4720183
    Abstract: A wide-angle eyepiece designed to cover a field of view of 90.degree. with substantially perfect correction of spherical aberration, coma, astigmatism, field curvature, chromatic aberration, and spherical aberration of the exit pupil.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: January 19, 1988
    Assignee: Optical Systems Design, Inc.
    Inventor: Donald C. Dilworth