For off-camera applications of Speedlite flash units, this adapter will accept one Speedlite and a connecting cord to the camera. Has 1/4" tripod thread on bottom
This accessory provides TTL or manual flash control, but is not compatible with E-TTL and will not support automatic flash on digital SLRs.
Reviewed by 1 customers
Canon Should produce this product for E-TTL2 Flash unit also. so that, Photographers like me can set up a small studion with multiple Canon EOS flash units on Tripods or Stands