Nikon Corporation manufactures and sells optical instruments in Japan and internationally. It operates through three segments: Imaging Products Business, Precision Equipment Business, and Healthcare Business. The Imaging Products Business segment develops, manufacture, sells, and service of digital SLR cameras, compact digital cameras, and interchangeable camera lenses. The Precision Equipment Business segment develops, manufacture, sells, and service of FPD lithography systems for the production of LCD and organic light-emitting diode panels; and semiconductor lithography systems for the production of semiconductors. The Healthcare Business segment develops, manufactures, sells, and services of biological microscopes, cell culture observation systems, ultra-wide field retinal imaging devices, etc. This segment also engages in the regenerative medicine related field business. The company is also involved in the development, manufacturing, sale, and service of industrial microscopes, measuring instruments, X-ray/CT inspection systems, metrology systems, and surveying instruments' and customized products, glass, encoders, and ophthalmic lenses businesses, as well as sale of photomask substrates for FPD and optical materials. The company was formerly known as Nippon Kogaku K.K. and changed its name to Nikon Corporation in 1988. Nikon Corporation was founded in 1917 and is headquartered in Tokyo, Japan.