A three-dimensional vision endoscopic apparatus according to the present invention comprises a pair of optical systems for transmitting an image of a subject as two subject images having a parallax between them, a pair of imaging devices for picking up subject images transmitted by the optical systems,...http://www.google.es/patents/US5577991?utm_source=gb-gplus-sharePatente US5577991 - Three-dimensional vision endoscope with position adjustment means for imaging device and visual field mask
Three-dimensional vision endoscope with position adjustment means for ...