EzFoto 37mm Silver Screw-in Metal Lens Hood Shade for Leica Zeiss Tele lens The 37mm silver screw-in metal lens hood fits Leica Zeiss tele zoom lens with 37mm filter thread Made of metal, stylish and functional Prevents glare and lens flare, but also provides an extra protection to your lens. The Professional Lens Hood is primarily designed to prevent unwanted stray light from entering the lens. Also fits Olympus M.ZUIKO DIGITAL 45mm 1:1.8 lens