We took our industry leadingX4 ND filterand applied the same proven technology to thegraduated neutral density filter, manufactured it with tempered SCHOTT B270 optical glass made in Germany, and the result is the X4 GND the worlds sharpest and most color neutral GND, guaranteed. Reviews There are no reviews yet. Be the first to review “Breakthrough X4 GND 100x150mm (3-Stop Rev Hard)” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.
