High Definition 3.5X Telephoto Lens For The Olympus E-450, E-620, E-520, E-510, E-500, E-420, E-410, E-400, E-330, E-30, E-3, E-300, E-1 Digital SLR Cameras Which Have This (25mm) Olympus Lens Mounts on any lens with 58mm filter thread - no adapter needed Unique Lens Barrel Design - Solid Professional Build Multi Coated Optics Lens System 3 Elements in 3 Groups 72mm Front Thread for Filter Mounting