Material: High quality metal strength, impact resistance, ultra-lightweight. The surface is strictly treated, smooth and non-reflective, the color is pure matte black Easy Installation: Simply ************************************************************* this filter adapter ring into the lens threads and tighten for quick installation and removal without additional tools Compatibility: Suitable for all 48mm camera lenses and 49mm threaded connector accessories (filters, hoods and lens converters) Useful: A lens filter adapter ring allows you to mount a larger size (48 mm) lens filter or other threaded mounting accessory to a smaller diameter (49 mm) lens Note on Size: Your lens thread size will be printed on the underside of the lens cap or written on the lens barrel. Make sure it is 48 mm or you will not be able to mount your lens