Nikon SB-400 AF Speedlight Flash for Nikon Digital SLR Cameras
Product Description : Compact lightweight Speedlight unit 18mm angle of coverage with Nikon DX format digital SLR cameras Bounce capabilities in 4 steps up to 90 degrees flash shooting distance range from 2 and up to 66 feet Approximate guide number of 984 feet at ISO 200 at 18mm zoom head setting Operates on two AA-size 15V batteries fast 25 second recycling time