Amazon.com : Nikon SB-400 AF Speedlight Flash for Nikon Digital SLR Cameras : On Camera Shoe Mount Flashes : Electronics
opteka sb-1 mini universal studio soft box flash diffuser for the nikon sb-900 sb-800 sb-700 sb-600 sb-400 sb-700 sb-900 sb-910 flash units - Walmart.com
Nikon SB-500 AF Speedlight - Mike's Camera
Nikon SB-400 Flash Part - Battery Box | eBay
Nikon Flash Speedlight SB-400 number Used 18208048069 | eBay
Nikon SB-400
Nexus WSB400AE18 Package (with Nikon SB400 and Sync Cord)