NiSi Pro ND32K Screw-In 4.5 15-Stop Round Filter for S5 Filter Holder

The NiSi NIP-S5-ND4.5 is a round 15-stop filter that screws into S5 filter holders in place of the native circular polarizer. This filter has a raised front lip for easy gripping when attaching or removing the filter and can fit into the front slot of the S5 Filter Holder Case for convenient storage or else can be stored in the included protective nylon sleeve.