optical performance Experience exceptional image quality with German imported optical glass that enhances your photography results. Adjustable filters Easily rotate the black lens ring on the CPL and NDPL filters to achieve the desired polarization. Enhanced color accuracy Multilayer coating ensures transparency and brightness, effectively restoring true colors in your images. Protection Waterproof, oil resistant, and scratch resistant design protects your lenses from environmental elements, enhancing longevity and reliability. Use scenarios Landscape and outdoor photography in bright conditions: use polarization to deepen skies, reduce reflections on water or glass, and improve color saturation. Travel, street, and wildlife photography: quick, adjustable polarization for changing scenes; rugged protection helps during varied weather. Water scenes, reflections, and architectural shots: rotate CPL/NDPL to control reflections and achieve clearer, more vivid images.