Patents Assigned to Bresser Optik GmbH & Co. KG
  • Patent number: 5485307
    Abstract: A binocular includes an eye-piece tube, a first lens system associated with the eye-piece tube for providing a base magnification as seen through the eye-piece tube, and an eye-piece module having a second lens system therein which is interchangeably installed in the eye piece tube for changing the position of the first lens system to a position of a preset increase in magnification.
    Type: Grant
    Filed: February 2, 1994
    Date of Patent: January 16, 1996
    Assignee: Bresser Optik GmbH & Co. KG
    Inventor: Byung-Sun Kim