Cokin X121 Square Graduated ND Grey G2 Filter XL HolderAchieve Perfectly Balanced Exposures Introducing the Cokin X121 Square Graduated Neutral Density Filter. Designed to darken skies and other bright areas in your images, this filter provides balanced exposure across the entire scene. Featuring a hard edge transition, it's ideal for landscapes with defined horizon lines and is compatible with the XL (X) Series Holder. Brand: Cokin Model: X121 Type: Graduated Neutral Density Filter Density: ND8 (3 Stops)