The Canon OC-E3 Off Camera Shoe Cord maintains all on-camera flash functions (including E-TTL II) for one Canon Speedlite used off-camera at distances up to 2′ (60 cm). It is compatible with all Canon EOS cameras except the 630 and RT (which require a combination of TTL Hot Shoe Adapter 3, OA-2 Off Camera Shoe … Continue reading Canon OC-E3 Off-Camera Shoe