TIFFEN 72TPK1 72mm Basic 3 Filter Kit - UVP, 812, Circular Polarizer Type: UV Protector 812 Color Warming Filter Circular Polarizer Compatibility: Any SLR Camera / Camcorder with lens thread size of 72mm Features: UV Protector protects your lens from damage 812 Warming Filter is ideal for Portraits and Scenics. Circular Polarizer deepens blue skies and reduces glare on non-metallic surfaces