The nikon sb n7 speedlight flashgun is a compact speedlight flash unit that offers you more power control and direction of light the sb n7 has a maximum guide number of 18 and tilts up to 120 giving you the freedom to angle the light wherever you want the included external wide panel lets you diffuse the light for more balanced illumination and greater coverage when shooting with wide angle lenses the nikon sb n7 takes two aaa batteries is available in black and white and features a minim