Manufacture of optical instruments and photographic equipment

261 Manufacture of electronic components and boards 262 Manufacture of computers and peripheral equipment 263 Manufacture of communication equipment 264 Manufacture of consumer electronics 265 Manufacture of measuring, testing, navigating and control equipment; watches and clocks 266 Manufacture of irradiation, electromedical and electrotherapeutic equipment 267 Manufacture of optical instruments and photographic equipment 268 Manufacture of magnetic and optical video tapes and discs