Canon
A-2 Off-Camera Shoe Adapter
Accepts one flash and a connecting cord to the camera. To be used with TTL Hot Shoe Adapter 3 ( # 2438A001 ) and EOS Connecting Cord 60 ( # 2387A001 ) or 300 ( # 2388A001 ) for off-camera TTL use.
Note : Provides standard TTL or manual flash control, but not E-TTL or E-TTL II. Not compatible with EOS digital SLR cameras.