The Moviemate Mag Circular ND 6-9 Stop Filter from Kase is a precise camera accessory designed for professional videography and photography. This circular neutral density filter reduces light transmission by 6 to 9 stops, allowing for longer exposure times and wider apertures in bright light. It features a magnetic mounting system for quick and secure attachment, compatible with various lens diameters when using appropriate adapter rings. Made from high-quality optical glass, it ensures minimal color cast and maintains image sharpness. The filter supports creative control over motion blur and depth of field, making it ideal for capturing smooth waterfalls, cinematic footage, or landscapes. The dimensions typically range from 67 mm to 82 mm in diameter, with a slim profile to prevent vignetting. It weighs approximately 50 g, depending on the size. This accessory enhances versatility in various lighting environments and supports reliable performance for enthusiasts and professionals seeking durable, precise filter solutions.