Fotasy H37S 37mm Screw-in Metal Lens Hood Shade for Olympus M.ZUIKO DIGITAL 45mm 1:1.8 lens The 37mm silver screw-in metal lens hood fits Olympus M.ZUIKO DIGITAL 45mm 1:1.8 lens Made of metal, stylish and functional Prevents glare and lens flare, but also provides an extra protection to your lens. 46mm Silver Cap fits the opening of the hood. Also fits other standard prime lens with 37mm filter thread