1、[Exceptional Craftsmanship]Our filters, crafted from optical glass, enable extended exposure times, letting you encapsulate the mesmerizing interplay of time and motion. 2、[Lightweight]With an thin design and lightweight construction, these filters, measuring just 1.2 * 1.2 inches and a slim 5.5mm in thickness, ensure minimal interference with light transmit and effectively prevent vignetting. 3、[Unique Coating]Our filters are furnished with cutting edge multi resistant coating technology, boasting a unique coating that significantly diminishes surface reflections and ghosting. This innovative coating also provides resistant to scratches, water, oil. 4、[Versatile conservation]The ND filter offers dependable safeguarding against water, scratches, and oil, guaranteeing enduring resilience. 5、[HD Screen]The camera lens filter features a coating with multiple layers. With the use of advanced coating technology, the filter produces genuine neutral images. Specifications: Material: Optical Glass Thickness: 5.5mm Item Size: 32 * 32 * 5.5mm/ 1.2 * 1.2 * 0.2in Model: ND16 1 * ND Filter