How to attach Magic Filter on Tokina 10-17

Tried to do a search but nothing came up.

I am considering buying a greenfilter for my 10-17 but i have no idea on how to attach it.

Regards

Mads

This page has info:

http://www.magic-filters.com/tokina.html

Unfortunately the 10-17mm does not have a filter slot.

Alex

figured it out all on my own.

http://www.magic-filters.com/tokina.html

Thanks Alex