1)Professional XSYMZ MC ND1000 Filter, you can mount it on any 67mm lens to protect the lens. Please verify your camera's lens thread size (usually marked somewhere on the rings). 2) Made of Schott Optical Glass B270, aviation aluminum frame ensuring great durability and jamming prevention. 3) Double side 12 layers nano coating (Absorbing film + AR film + Oil and water repellent film), Anti-Scratch, Reduce Reflection, Water Repellent, Increase Surface Durability, Oil & Dust Resistant. 4) Used to extend exposure time, reduce the amount of light entering a lens, equivalent to a sunglass of a camera lens. 5) Package: ND1000 Filter, high-end plastic box and exquisite color paper box.