flobur746 years ago011I would like to know if anyone has any experience with this CIR-PL filter, especially in comparison to the cheaper Hoya Pol. Circ. HD filter?Show in original language (German)1 answerAlessandro Bottinelli6 years ago000 Helpful answerUnfortunately, we have had no experience in this regard and have not received any customer feedback.Show in original language (German)