Quantum qnexus is the ultimate wireless bridge to link a quantum qflash with a canon or nikon wireless flash system the qnexus is a plug in receptor compatible with canon or nikon infrared ir code beamed wirelessly when mounted to a qflash5d r manual automatic ttl and ttl ratio flash modes are accepted by the qnexus this wireless system allows a user to seamlessly command and group one or more qflash 5d rs from the cameras master flash menu at a distance of 100 200 30 60 m