The JJC F-NC62 2-in-1 variable ND + CPL filter combines neutral density and circular polarization functions into a single optical solution for camera lenses. This filter features a variable ND range from ND2 to ND400, allowing for light transmission control of 1 to 3 stops, while the circular polarizer reduces reflections and enhances color saturation. Constructed from high-quality optical glass with multi-layer nano-coating technology, it maintains image sharpness with minimal color cast and distortion. The aluminum alloy frame measures 62 mm in diameter with a slim profile of 6 mm and is compatible with all 62 mm threaded lenses. The dual-layer design allows for independent rotation of the polarization element while maintaining constant ND performance. This filter is designed for photographers who require precise exposure control and glare reduction in various lighting conditions, from bright daylight to challenging reflective surfaces. The anti-static and water-repellent coating protects against moisture and dust accumulation. Each filter undergoes individual optical testing to ensure consistent performance across the entire surface. The combination of variable density and polarization functions eliminates the need for multiple filter changes, making it suitable for landscape, architecture, and outdoor photography where both exposure control and reflection management are essential.