-【Variable ND & CPL filter 2 in 1】One filter has the ND and CPL filter features, the nd filter provides 2-6 stops of light reduction needed, suitable for cloudy days and extremely bright days, the CPL filter can remove unwanted glares from a non-metallic surface, and enhance the color and contrast. - 【No “X” Cross on Image】The frame adopts self-locking technology which is infinitely rotated by 2-6 steps, which is convenient for light reduction and positioning, and at the same time avoids the phenomenon of black crosses. For users who shoot video, it is helpful to automatically adjust the light reduction gear through auxiliary tools. -【Putter Adjustable Design Frame】Filter frame is made of aluminum alloy, the CNC-Non-slip with a putter to help adjust the stop easily. There are 5 stops from Min(ND4) to Max (ND64) on the frame, convenient to be sure the ND filter stops. -【oxidation sandblasting】The surface is treated with oxidation sandblasting, which can effectively avoid the entry of stray light to the greatest extent, and is used to reduce reflection -【Note】This filter is compatible with all 72mm lenses. The number beside the "ø" (diameter) symbol is the lens