Olympus LC-37B 37mm Lens Cap for the M.Zuiko 17mm f/2.8, 45mm f1.8 and 14-42mm II Micro 4/3rd Lenses Olympus LC-37B 37mm Lens Cap for the M.Zuiko 17mm f/2.8, 45mm f1.8 and 14-42mm II Micro 4/3rd Lenses