The COKIN CREATIVE FILTER A SERIES SYSTEM A164 Circular Polarizer Glass Filter CPL is a single dark gray square filter designed for camcorders and cameras. Made by the renowned brand Cokin in France, this filter features a circular polarizer effect to enhance image quality by reducing glare and boosting color saturation. The Cokin A System mount fitting ensures compatibility with a wide range of camera models, making it a versatile and high-quality accessory for photographers and videographers looking to elevate their work. Please email with questions.