Tokina is a Japanese brand that supplies photographic lenses as well as a wide range of accessories required by CCTV surveillance systems. A group of Nikon employees established this company with the aim of focusing on the development and production of zoom lenses.
Professional photographers have valued Tokina products quite highly. In particular, Ken Rockwell rates it as high as Canon and Nikon. Here you can buy Tokina optics wholesale at an affordable price.