Patent ID: 9507141
Filing Date: 2016-11-29
CPC Classification: A61B,G02B,G03B,H04N

Claim Text:
1. A stereoscopic endoscope device that has an imaging optical system, which forms a subject in a direction of an observation axis that is an observation direction of the subject, as a subject image, along left and right optical paths disposed symmetrically with respect to the observation axis and that acquires a pair of left and right parallax images for stereoscopic viewing, the stereoscopic endoscope device comprising: an imaging system that includes a pair of left and right imaging elements that have light receiving surfaces, on which images are formed by the imaging optical system, and are integrally movable along the direction of the observation axis, the light receiving surfaces of the pair of left and right imaging elements being disposed in parallel to the observation axis and symmetrically with respect to the observation axis; an optical path change unit which changes an optical path so that the pair of left and right optical paths face the light receiving surfaces of the pair of left and right imaging elements, respectively; and a field of view range change unit which shifts a field of view range of each of the pair of left and right imaging elements in a left and right direction by moving the pair of left and right imaging elements along the direction of the observation axis.