Nikon Corporation manufactures and sells optical instruments in Japan, North America, Europe, China, Thailand, and internationally. It operates through Imaging Products Business, Precision Equipment Business, Healthcare Business, Components Business, and Industrial Metrology and Others segments. The Imaging Products Business segment provides digital SLR cameras, compact digital cameras, and interchangeable camera lenses. The Precision Equipment Business segment offers FPD lithography systems and semiconductor lithography systems. The Healthcare Business segment provides biological microscopes, cell culture observation systems, and ultra-wide field retinal imaging devices, as well as products and services related to the contract cell development and manufacturing field. The Components Business segment offers optical components, optical parts, encoders, and material processing products and services; EUV-related components and space-related solutions; and photomask substrates for FPDs. The Industrial Metrology and Others segment provides industrial microscopes, non-contact 3D metrology systems, measuring instruments, X-ray/CT inspection systems, and surveying instruments. The company also offers optical lenses, sport optics products, optical glasses, molded optical glasses, camera components, and ophthalmic lenses. In addition, it sells used equipment; provides maintenance services for FPD/semiconductor lithography systems; sells and services cameras, microscopes, measuring instruments, and X-ray inspection equipment; and develops and supports computer software. Further, the company is involved in the procurement, logistics, and employee welfare activities; development, manufacturing, and testing services for cell-based therapeutics; and assembly of camera units. Nikon Corporation was incorporated in 1917 and is headquartered in Tokyo, Japan.