The 3 Piece Merkury High Resolution Filter Set includes a UV, fluorescent, and polarizer filter, all with a size of 58mm. These filters are designed to enhance the quality of the image captured by a camera lens, specifically by reducing glare and enhancing color accuracy. The UV filter helps to block out ultraviolet light, the fluorescent filter enhances colors, and the polarizer filter reduces glare and reflections for a clearer and more vibrant image. This set is ideal for photography enthusiasts looking to improve their image quality and capture more vivid colors.