Amazon.com : JJC Reversible Bayonet Lens Hood Shade for Olympus M.Zuiko Digital 45mm F1.8 Lens / M4518 Replaces Olympus Lens Hood LH-40B - Black : Electronics
Lens Hood for Olympus M.Zuiko Digital 45mm F1.8 (Micro FourThird) with Bayonet mount by inornate - Thingiverse
Amazon.com : Olympus LH-40B Lens Hood for M.Zuiko Digital 45mm 1:1.8 Lens - Black : Electronics
Amazon.com : OM SYSTEM OLYMPUS M.Zuiko Digital 45mm F1.8 Silver For Micro Four Thirds System Camera, Compact Design Beautiful, Bokeh Bright : Digital Slr Camera Lenses : Electronics