Light Control: The ND8 / 16 / 32 filter reduces light for smoother motion shots, while the filter blocks harmful rays and improves image sharpness without color distortion Opticals Glass: Made with premium opticals glass and aluminum alloy, these ensures super claritys, durability, and resistance to scratches and impacts Creative Soft Focus Effect: The 1 / 4 Black filter softens highlight and creates a dreamy aesthetic, perfect for portrait and artistic photography with natural color fidelitys Professional Set: This lens filter set includes ND8 / 16 / 32,, CPL, and 1 / 4 Black to enhances your photography in various lighting conditions, perfect for Action 6 outdoor sports and underwater Enhanced Color & Reflection Reduction: The CPL filter boosts color saturation and minimizes reflection on water or glass, ideal for landscapes and action scenes