58MM UV Filter + 58mm Tulip Lens Hood for Olympus, Canon, Sigma, Tamron, Pentax SLR and DSLR Lenses 58 mm Ultraviolet Filter & 58 mm Lens Hood Absorbs Ultraviolet Light - 3-Layer Multi-Coating - General Protective Filter Low-Profile Aluminum Frame - High-Transparency Optical Glass Tulip Lens Hood to Reduce Glare Maintains Exposure Levels - Brand New, Retail Packaging Look at your lens for the symbol  usually on the front or under the lens cap (under the cap will just be a number) the number next to it is the filter thread size.