Tronixpro 58mm Pro Series Snap On Lens Cap For Olympus 70-300mm f/4-5.6 Zuiko ED Zoom Lens, Olympus 40-150mm f/4-5.6 Zuiko ED Zoom Lens, Olympus 14-42mm f/3.5-5.6 Zuiko ED Zoom Lens This lens cap protects lens surface from dust & shock during storage. Unique snap on design allows easy installation onto the lens & one-step removal from the lens. It fits directly onto the lens with a double-action spring design. Microfiber Cloth 58mm Snap On Lens Cap