Description: Digital Coated,Multicoated surface reduces lens flare and ghosting caused by reflections Easy Clean hard coated / scratch resistant,Multi-coated (16 coatings) UV Filter. Ultra thin low profile frames to help avoid vignettine on super wide angle lenses. Knurled Frame Edge: Equipped with knurling edge for easy attachment and removal.Under and over hard coating (both sides) Multi-purpose filter for color and black / white photography. Can be used also as permanent lens protector. Specification: Frame Thickness:1.3mm Framee Height:2.90mm Mount Thread:67mm Material: optical glass Glass Color:Blue Package Includes: 1x 67mm Ultra Slim UV Filter