Nikon SB-910 Speedlight Flash Unit Flashgun

Sporting guide numbers of 34 m (111.5 ft) for standard ISO 100, and 48 m (157.5 ft) for ISO 200, the Nikon Shoe Mount Flash masters the shooting scene. At full output, the Speedlight Flash shines for 1/880 s, down to 1/38500 s at 1/128 output.