Features: 2-in-1 ND & CPL Filter:Combining ND filter with CPL filter to realize multi-purpose function of one filter, convenient to use. It can not only reduce the amount of light entering the lens but also darken skies, manage reflections as the same time. 5 Stops Adjustable ND & CPL Filter:The ND filter can be adjusted between 5 stops(ND2, ND4, ND8, ND16, ND32) by the gear lever. Rotating the filter frame to adjust the CPL filter. They are upper and lower structures, which can be adjusted independently without interfering with each other. No Black "X" Cross on Images:The filter has a frame self-locking technology, when rotating to the Min end or ND32 stops, the frame is automatically locked, avoiding the shadow of black "X" cross and giving you a good shooting effect. High Quality Material:Made by completed professional optical glasses, multi-layer coating, with green film, waterproof and scratch-resistant, which could protect your valued lens. Filter Frame is made of aluminum alloy material, the serrated design of the edge of the frame makes it easy to install. Ultra-thin & Ultra-clear:This filter is compatible with 72mm lenses, ultra-thin and lightweight, comes with a storage case to protect the filter from dust and scratches. Specifications: Brand: K&F CONCEPT Size: 67mm/72mm(optional) Material: Aluminum alloy frame + optical Package Size: 11.9 * 11.7 * 2.6cm / 4.7 * 4.6 * 1.0in Package Weight: 183g / 6.5oz(67mm); 114g / 4.0oz(72mm) Package List: 1 * 2-in-1 Filter 1 * Cleaning Cloth 1 * Storage Case