Enhance your photography with the Tristar Optics Filter Bonus Pack 52mm. This pack includes a high-quality UV philtre, polarizer philtre, and a convenient pouch. The philtres are designed to fit circularly and have a size of 52mm. The Tristar Optics philtres are made in China and have a model number of 241668409. They are perfect for any camera enthusiast and can be easily attached to your lens. The philtres come in a convenient pack and are a must-have for any photographer.