Patent ID: 6184923
Filing Date: 2001-02-06
Classification: A61B,H04N

Abstract:
An endoscope apparatus comprising:an endoscope with a built-in solid state imaging device at a distal end portion of an insertion tube without an optical lens system adjacent to the solid state imaging device; anda first distal end optical adapter and a second distal end optical adapter detachably connectable to the distal end portion of the insertion tube of said endoscope, the first distal end optical adapter having one objective optical system to form an optical image on an image pickup surface of the solid state imaging device, and the second distal end optical adapter having a plurality of objective optical systems to form the optical image on the image-pickup surface of the solid state imaging device, the plurality of objective optical systems being able to simultaneously observe images, the images having different angles of view, wherein the different angles of view are a narrow angle of view and a wide angle of view.