Patent ID: 6614595
Filing Date: 2003-09-02
Classification: G02B

Abstract:
A stereo endoscope system comprising:a right optical system which forms a right image for stereoscopic observation, said right optical system includes a right objective optical system and a right relay optical system; a left optical system which forms a left image for stereoscopic observation, said left optical system includes a left objective optical system and a left relay optical system, and said right image and left image are images of a same object and have a parallax with each other; and a third optical system which forms a third image, said third optical system includes a third objective optical system and a third relay optical system, said optical systems satisfy the following conditions: (1) FAw/FAlr>1.3; and (2) 0.3FAw is the field angle of view of said third optical system, FAlr is the field angle of view of said right and left optical systems; LDw is the maximum lens diameter of said third relay optical system; and LDlr is the maximum lens diameter of said left and right relay optical systems.