The Canon TTL Hot Shoe Adapter 3 permits TTL multiple off-camera flash photography. This adapter should be used in conjunction with EOS Connecting Cord 300 (# 2388A001 ) or Connecting Cord 60 (# 2387A001 ) and Off-Camera Shoe Adapter OA-2 (# 2447A001 ) or TTL Distributor (# 2431A001 ).
Placed in EOS camera's accessory shoe, controls up to 4 off-camera Speedlites.
Note: Provides standard TTL or manual flash control, but not TTL or TTL II. Not compatible with EOS digital SLR cameras.