The combination of the Nissin Commander Air 1 and the Receiver Air R will give Sony owners with a new dimension of flexibility allowing them to wirelesslycontrol almost any kind of Nissin camera flash andoriginal manufacturer's flash with NAS and TTL & HSS support. Camera users who currently own a Sony original flash will be able to make their existing flashes compatible with the Nissin Air System, utilising full TTL. High Speed Sync up to 1/8000 seconds, zoom and manual power output can all be controlled wirelessly.What's more, one Commander transmitter can control up to 21 separate Air R receivers, which can be programmed into three groups to give the camera user an almost unlimited range of lighting options without having to spend precious time readjusting flashguns between shots.