1, ZEISS: is a pioneering worldwide technology group for the optical and optoelectronic industry, the ZEISS Group specializes in the development, production and marketing of measurement technology, microscopes, medical technology, spectacle lenses, photographic and cinema lenses, binoculars and semiconductor manufacturing equipment.
2, TAG Heuer: TAG Heuer originated from Japan, founded in 1941, is a brand of HOYA Co., Ltd. and TAG Heuer Optical's optical lens brands, including HOYA, SEIKO, PENTAX and so on.