Controls three independent groups of lights from your camera position
Works in E-TTL or manual mode
Allows for 1/3 f-stop increments of power control
Adjusts the relative light level of each zone independantly
E-TTL II Compatibility: Using PocketWizard’s ControlTL system, the AC3 is designed to work seamlessly with Canon’s E-TTL II system.
Three Zone Control: Control up to three zones of light, each with one or more flashes, right from the camera’s position.
Wide range of control: With three simple dials, you can quickly adjust the power settings for three independent zones in clearly labeled 1/3 stop increments over a six stop range.