High-definition grinding optical glass lens can effectively reduce reflections and halation, greatly reduce the effect of virtual shadows on imaging, bring you a vivid imaging experience Perfect for night photography and portraiture photography, great gift for photography enthusiasts 30 layers coating, waterproof, oil and scratch resistant, protect your camera lens Adopt aviation aluminum alloy frame, non-slip design makes it easy to install and remove This 2 in 1 black soft diffusion 1/4 adjustable ND2 to 32 filter reduces human facial imperfections and softens background light and makes film effect look dreamy