150mm Circular Polarizing Filter HD WMC Slim CPL Filter + 150mm Filter Holder System FH150N Designed for Nikon AF-S NIKKOR 14-24mm f/2.8G ED Lens This holder system is designed for use on the Nikon AF-S NIKKOR 14-24mm f/2.8G ED Lens This holder system compatible with 150mm square filters and circular 150mm filters 150mm HD WMC/SLIM Circular Polarizing Filter