Bower Sfd728n TTL Zoom Shoe Mount Flash For Nikon i-TTL: * Full TTL dedication to Nikon DSLR cameras using i-TTL technology * Excellent build quality, including a metal foot for higher rigidity * Max. guide no. at 50mm setting (GN 92, feet) * Zoom, bounce and 330-degree swivel head * Auto Power Saving * AF Illumination Range: 3-24ft. * Fast Recycling IGBT Circuitry: 0.5-7.0 seconds * Color temperature: 5600k * Infrared AF assistance beam * Auto check indicator * Rear curtain, slow synchronization * Red eye reduction * Compatible with Nikon d100/200/300/3/3000/3100/40/5000/5100/50/70/700/7000/80/90 models