FOTGA 4mm ND4(0.6)2-stop Lens Filter 4×5.65in ND Filters Optical Glass Waterproof Scratch-resistant with Multi-Resistant Coating Features: [Exceptional Craftsmanship]Made from top-quality optical glass, our filters offer the opportunity for longer exposure times, allowing you to capture the captivating essence of time and movement. [Elegant and Lightweight]Designed to be ultra-slim and featherweight, measuring only 4 x 5.65 inches and a mere 4mm thick, these filters minimize any impact on the transmission of light and effectively eliminate vignetting. [Cutting-Edge MRC Coating]Equipped with state-of-the-art multi-resistant coating technology, our filters feature a specialized coating that effectively reduces surface reflections and ghosting. This advanced coating also offers outstanding resistance against scratches, water, oil, and dust, ensuring long-lasting durability and preserving the impeccable quality of your images. [Versatile conservation]The ND filter offers dependable safeguarding against water, scratches, and oil, guaranteeing enduring resilience. [Multiple Layers of Coating]The camera lens filter showcases a multi-layered coating. Utilizing cutting-edge coating technology, the filter generates authentic neutral images, unaltered by infrared pollution. Specifications: Brand: FOTGA Material: Optical Glass THK: 4mm Item Size: 102 x 144mm or 4 x 5.65in Model: ND4 or ND8 or ND64 or ND1000(optional) Packing List: 1 x ND Filter 1 x Storage Box Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.