Bower Autofocus Dedicated TTL Power Zoom for Olympus E-620, E-30, E-5, E-3, E-510, E-420, E-510, and E-520 Digital SLR Cameras (SFD926O) Auto power saving illuminated LCD display Guide Number: 112 feet (85mm @ ISO 100) Built-in Diffuser and Reflector Panel Compatible with all Olympus models including: E-620, E-30, E-5, E-3, E-510, E-420, E-510, and E-520 24mm-85mm zoom coverage