The Zeikos 3-Piece Filter Kit is a 58mm multi-coated optical glass filter set designed for photographers to improve image quality and protect lenses. The kit includes Ultraviolet (UV), Circular Polarizer (CPL), and Fluorescent (FLD) filters, a protective carry case, and is suitable for cameras with 58mm lens threads. UV Filter (Ultraviolet): Reduces UV light, eliminates haze, and acts as a permanent protective lens cover against dust and scratches. CPL Filter (Circular Polarizer): Reduces reflections, glare, and increases color saturation and contrast, particularly effective for blue skies and water. FLD Filter (Fluorescent): Corrects the green cast (flicker) that occurs when shooting under fluorescent lighting, producing natural light colours.