Sony HVL-F36AM High-Power Digital Camera Flash for Sony Alpha Digital SLR Camera Supplied Accessories - Carrying Case, Mini-Stand, Wide Panel Guide Number 36 at 85mm position, ISO 100 Combining ADI Flash Metering, TTL Flash Metering, and Guide Number Control for the highest level of control accuracy High-Speed Sync synchronizes with all shutter speeds Zoom Range - 24 - 85mm, 17mm with Wide Panel