<；P>；PROBLEM TO BE SOLVED: To provide an endoscopic device capable of raising visibility of a display video. <；P>；SOLUTION: A video signal acquiring part 30 acquires a video signal by imaging an image formed by an optical system. A matching processing part 45 calculates the matching degree of a video for discriminating the optical system. When it is discriminated that the optical system is a predetermined optical system, a video signal processing part 34 processes the video signal so as to extract a video including one image from the video including a plurality of images from the optical system, and outputs it as a video signal for display. <；P>；COPYRIGHT: (C)2009,JPO&INPIT
