Bower SFD35N Digital Autofocus Flash for Nikon D2X/200/3X/40X/50/60/70/80/90/5000/5100/700/7000, Digital SLR Cameras Auto standby and check indicator Guide Number: 112 feet (50mm @ ISO 100) Bounce and swivel zoom head allows versatile reflection for difficult lighting conditions 28mm-85mm zoom coverage. Compatible with all Nikon models including: D2X/Xs,D2Hs,D2X,D200,D3X/3S, D40/40X, D300S, D3000, D3100,D700,D7000,D5000,D5100,D50,D60,D70s, D80, D90