Buy from Amazon.com : http://fave.co/1xIg9hX <br /><br />Zomei? Ultra Slim HD 18 Layer Super Multi-Coated SCHOTT Glass PRO Fader Variable Density Neutral<br /><br />Product Description : <br />Double Thread 18-Layer super anti-reflection multi-coated with EVERCLEAR 5WATER REPELLENT ANTI-OIL ANTI-DUST ANTI-SOIL SCRATCH RESISTANT Coating Technology to withstand almost any conditions <br />With Zomei Variable Density Neutral Gray filters users can select the intensity from ND2 1 f-stop to ND400 8 f-stops by rotating the front ring <br />Nearly zero distortion when light go through this HD filter With only 68mm thickness and made with no compromise this Variable ND X Filter might be the thinnest and the best in the world <br />Original SCHOTT Glass from Germany Compare BW <br />All Materials Used in this filter Meet the Requirements of European Unions standards of Environ Ment Protection-ROHSRestrictions on Hazardous Substances