SUPERIOR IMAGE QUALITY - Crafted from high-quality, precision annealed optical glass, this filter ensures exceptional clarity and sharpness in every shot, reducing unwanted glare. ENHANCED DURABILITY - Featuring NANO Coating technology, the multi-layer coating provides a waterproof and oil-resistant protective layer, safeguarding against scratches and damage. BROAD COMPATIBILITY - Designed for use with 150mm filter holders and any standard holder for 2mm thick filters, offering versatility across various photography setups. PRECISE FILTER FACTOR - Achieve stunning 5-Stop (1.5) neutral density, allowing for greater control over exposure and depth of field in diverse lighting conditions.