Nikon SB-5000 AF Speedlight This new Speedlight now features, a first for Nikon, as it operates via radio frequency & will work without a direct line of sight to a range of up to around 30 meters. Quick facts: Radio control Advanced Wireless Lighting that does not require line-of-sight to work Flash cooling system provides more than 100 consecutive shots at full output Streamlined access to your frequently used functions such as Flash Mode, Zoom Head Position & Flash Compensation value Fully compatible with all current optical control Speedlights Expanding the reach of creative lighting Introducing Nikon's new flagship Speedlight, a flash designed to empower the most seasoned professionals & passionate enthusiasts. The SB-5000 AF Speedlight takes Nikon's acclaimed Creative Lighting System with Advanced Wireless Lighting to the next level with both traditional optical wireless control & powerful new radio control. Place up to six groups of remote flashes out of view, behind obstacles—even in other rooms—up to 98 feet away. Designed for fast shooting at weddings, commercial shoots or on the red carpet, the SB-5000 AF Speedlight also introduces the world's first hot-shoe mount flash cooling system* for more than 100 consecutive shots at full output, all in a smaller design with streamlined operation. Whether building a new lighting system or integrating with your existing system, the SB-5000 AF Speedlight opens exciting new lighting possibilities.