i know there are a few different filter sizes of tokina uv for their lenses but they are made by hoya, hoya glass under tokinas name.Originally posted by JasK
aiyo mai confused, there is no tokina filter. Hoya, Tokina and Kenko, basically they belong to the same corporation.
This url will tell you everything -> http://www.thkphoto.com/
THK, T=Tokina, H=Hoya, K=Kenko, moose filters are also under them. The Tokina company make lens, Hoya company makes filters, kenko company makes filters and accessories.
Just like B+W and Schneider lens, horseman and voigtlander cameras are under http://www.schneideroptics.com/