An endoscope apparatus has an endoscope having an image guide (103) for guiding first and second image light components which have a parallax and can be separated from each other, a memory for storing a predetermined coefficient (a) on the basis of the shape, length, and the like of the image guide,...http://www.google.com/patents/US5649897?utm_source=gb-gplus-sharePatent US5649897 - Endoscope apparatus for compensating for change in polarization state during image transmission
