Canon is a company that manufactures imaging and optical products such as cameras, camcorders, photocopiers, steppers, computer printers, and medical tools. The company operates through four segments. The Office Business Unit segment offers office MFDs, printers, copying machines for personal and office use, production print products for print professionals, laser multifunction and laser printers, and document solutions, as well as software, services, and solutions. The Imaging System Business Unit segment provides interchangeable-lens digital cameras, digital compact cameras and camcorders, digital cinema cameras, interchangeable lenses, compact photo printers, inkjet printers, etc. The Medical System Business Unit segment offers digital radiography systems, diagnostic X-ray systems, computed tomography, magnetic resonance imaging, diagnostic ultrasound systems, clinical chemistry analyzers, and ophthalmic equipment. The Industry and Others Business Unit segment provides semiconductor lithography equipment, flat panel display lithography equipment, vacuum thin-film deposition equipment, organic light-emitting diode panel manufacturing equipment, die bonders, and others.