Rollei 52 mm UV Lens Filter - 16 Layers Multi-Resistant Nano Coating, Ultraviolet Protection, Water/Oil/Stain repellent Intense colours and high contrast Made of Japanese optical glass for highest picture quality Water, oil and stain repellent, scratch resistant 16 layers coating Available in diameters 49, 52, 55, 58, 62, 67, 72, 77 and 82 mm