SUPERIOR IMAGE QUALITY - Crafted from Water White Glass, this 6.6x6.6' filter ensures exceptional clarity and true color rendition, maintaining the highest optical standards for professional results. PRECISE LIGHT CONTROL - Achieve a 4-Stop (ND1.2) light reduction, allowing wider apertures and slower shutter speeds in bright conditions, providing creative flexibility and optimal exposure control. ENHANCED DURABILITY - Constructed with high-quality glass, this filter is built to withstand rigorous use, protecting your lens while consistently delivering top-tier performance in various environments. VERSATILE COMPATIBILITY - The 6.6x6.6' size is designed for compatibility with professional matte boxes, making it an ideal addition to your existing cinema and photography equipment setup.