Because I allowed myself a new lens, Canon 15-85mm should also produce a new pole filters. Here there are a huge selection and really it is totally overwhelmed, because when you responses of filters through reads, it sounds all somehow good. That's why I have a little win the forums asked around me and miauch provide tips. Basically the manufacturer HOYA was always called positive and thus it was for me really only to the type or whether Pro1 HD. I have left me ultimately because of a video about the stability of the HD (there skin a fair employee of HOYA wild with the filter against a table edge, and he does not have time NEN scratches A good choice as has rausgestellt for me, it is processed very robust and very smooth (but not too easy) to adjust. The quality is excellent as well, and so far I have found no vignetting at my lens even at 15mm. A special note for all 15-85mm users, problems with an attached hood one has the lens cap "clean" set up, this problem has been done with a pole filter such as the HOYA HD. Through the attached filter has more scope to put in the Gegenlcihtblende the lens cap without "fumbling". So to speak, "2 birds with one stone beaten". An uncertainty gabs always in discussion whether the filter has an outer thread? Yes the Filter HOYA HD POL has an external thread !!!
