Samyang Optics Company Limited is a Korean company founded in 1972, manufacturing optical equipment, CCTV and photographic accessories. All Samyang lenses are produced in the company's plant in Masan, South Korea.
Samyang is known for producing varifocal and monofocal lenses, autoiris and fixed iris lenses, interchangeable lenses that are compatible with the cameras produced by other companies.
In 2004 it was merged with the Japanese CCTV optical devices maker Seikou.
Samyang produces lenses to fit cameras from Canon, Nikon, Sony, Fujifilm, Pentax, Samsung, Yashica, Olympus and Panasonic, plus a wide range of T-mount lenses.
Samyang SLR lenses are also branded as Vivitar, Falcon, Rokinon, Walimex, Bower, Opteka, Bell and Howell, Polar, and Pro-Optic.