Feature●Prevent unwanted stray light from entering the lens●Non-glare matte finish on the interior further preventing lens flare●With Filter Access Window●JJC LH-J66 replaces Canon lens hood Olympus M LH-J66●Compatible with Olympus M. Zuiko Digital ED 12-40mm f/2.8 PRO LensDescription
JJC LH-J66 Reversible Lens Hood Shade For Olympus M. Zuiko Digital ED 12-40mm f/2.8 PRO Lens Fits CPL ND Filter . Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens.