Canon Connecting Cord 300
3 meter/9.8 ft. straight cord, with connections on both ends. For use with EOS TTL Hot Shoe Adapter 3 (# 2438A001), TTL Distributor (# 2447A001), or Off-Camera Shoe Adapter OA-2 (# 2447A001).
Note: Provides standard TTL or manual flash control, but not TTL or TTL II. Notcompatible with EOS digital SLR cameras.