Samyang Optics

Samyang Optics is a South Korean manufacturer of camera lenses for several major brands of third-party mounts for still photography and video cameras. The company was founded in 1972 and has about 150 employees. Samyang exports to 58 countries through 39 overseas agents and distributors. 
Samyang products are also sold under a wide variety of different brand names. Some examples are Rokinon, Bower, Opteka, Vivitar, Phoenix and Quantaray.
Products.
Autofocus lenses.
Autofocus lenses:
For Canon EF Mount: 
For Canon RF Mount:
For Sony E-Mount:
For Nikon F Mount:
Manual focus lenses.
Interchangeable manual focus lenses for 9 different mounts.
DSLRs.
Premium lenses for DSLRs.
Cinema lenses.
Interchangeable cinema lenses.
Xeen cinema lenses.
Cinema lenses are sold under the Xeen brand.
Discontinued products.
Autofocus zoom lenses.
For Minolta/Sony A-mount, Nikon AF, Pentax KAF:
Manual focus prime lenses.
Manual focus prime T-mount mirror lenses.