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/
liao gai?
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.