Amazon.com : Nikon D40 Bounce, Zoom & Swivel Head Flash + High Powered AC Rapid Charger with 4AA 2900 Mah Batteries + Nwv Direct 5 Piece Cleaning Kit : On Camera Shoe Mount Flashes : Electronics
Amazon | 専用Speedlite Flash ( i-ttl )垂直水平回転for Nikon d40 X (ワイヤレス同期Built In ) | フラッシュ・ストロボ 通販
Neewer NW-565 EXN I-TTL Slave Speedlite with Flash Bounce Diffuser for Nikon D4, D3s, D3x, D300s, D200, D100, D80, D70s, D3200, D3100, D3000, D60, D40X, D800, D7100 and All Other Nikon Models