Urth 77mm Magnetic UV Nano-Coating German B270 Schott Optical Glass Lens Filter Plus+ (Black)The Urth 77mm Magnetic UV Lens Filter Plus+ easily snaps in place, cutting UV light for clearer, sharper images and protecting your lens from scratches, oil, dirt, and water. Cuts Out 99. 6 Percent of Ultraviolet Light The Magnetic UV Lens Filter Plus+ brings ease to your creative flow with a convenient, stackable, magnetic system. UV light can create a blue color cast, but this UV filter cuts out 99. 6 percent of ultraviolet light, helping sharpen