JJC LH40B 45mm Professional Replacement Lens Hood For Olympus M.Zuiko Digital 45mm 1:1.8 Lens Black Replaces LH-40B Replaces Olympus LH-40B Lens Hood Designed to prevent unwanted stray light from entering the lens. Ensures no problems with vignetting or motor functions. Fits Olympus Zuiko 45mm 1.8