Auto power saving illuminated LCD displayGuide Number: 112 feet (85mm @ ISO 100)Built-in Diffuser and Reflector PanelCompatible with all Sony Alpha models including: A100, A200, A230, A290, A300, A330, SLT-A33, A350, A380, A390, A450, A500, A560, SLT-A55, A550, A700, A850, and A900Product Description: The Dedicated Power Zoom Shoe-Mount is an autofocus TTL power zoom lens for digital Sony/Minolta SLR cameras. Its auto-zoom flash head senses the focal length of the camera's lens and adjusts accordingly. There is a built-in slave mode and it can tilt (0°-90°) and swivel (0°-270°) for complete lighting control and shadow-free flash photography. Additional features include red-eye reduction, automatic shutter speed setting, front and rear curtain synchronization, and a 24mm-85mm zoom range.