Olympus corporation is a japan-based manufacturer of optics and reprography products. olympus was established on 12 october 1919, initially specializing in microscope and thermometer businesses. olympus enjoys a majority share of the world market in gastro-intestinal endoscopes. it has a roughly 70% share of the global market whose estimated value is us$2.5 billion. its global headquarters are in shinjuku, tokyo, japan.