About This 【Advanced Coating for Clear Star Effects】Utilizes an 18-layer coating technology to enhance light transmission, reduce reflections and scatter, ensuring a vivid and clear starlight effect. 【4-6-8 Star Lines】Features 4 Points, 6 Points, 8 Points star lines to tailor the starlight effect based on shooting conditions and creative preferences, allowing precise and artistic compositions. 【Premium Optical Glass for Pure Starlight】Crafted from high-quality optical glass, effectively minimizing light dispersion and distortions to maintain a genuine and pure starlight effect. 【Robust Aluminum Alloy Construction】Constructed with durable aluminum alloy, combining lightweight and robustness, providing stable support and ease of adjustment while safeguarding the lens. 【Portable & Convenient Filter Pounch】Designed to be lightweightenabling users to carry and use the different line star filter effortlessly during outdoor photography or travels, achieving personalized starlight effects at any time. Overview Brand : K&F CONCEPT Material : Optical Glass Photo Filter Thread Size : 72 Millimeters Coating Description : Multi Coating Photo Filter Effect Type : Cross Screen Water Resistance Level : Not Water Resistant Product Dimensions : 2.83"L x 2.83"W Number of Pieces : 3