I want to purchase an ND filter and ND grad filters for my cameras. For lack of better terminology, I want the square ones. My lens sizes are 67mm and 77mm. I realize that I can use an adapter so ...
I was wondering if someone could tell me the outer diameter of the adapter rings for the Cokin Z or Lee 100mm filter holders. I am trying to adapt a Matte Box that someone has given me, that appears ...