ACES is the future of professional colour management for our industry and is already being used by Netflix and the Hollywood studios because of the efficiency and quality it delivers. The term “Device Transform” is a relatively new one to most cinematographers but it will become an increasingly essential part of how we do our jobs in future and is one of the most important components of the ACES ecosystem. In this excerpt from the recent Introduction To ACES workshop at the ACS National Headquarters, Ben Allan ACS CSI explains what device transforms are and how we will be able to use them to keep control of our images.