The M400 is a new generation compact flash especially suited to mirrorless or smaller DLSR cameras. Despite its small size it packs plenty of power, with a maximum GN of 40. The swivelling bounce head includes a motorised 24-105mm range zoom, bounce card and super-wide diffuser. A simple OLED user interface and AUTO TTL mode enable great results to be achieved without any complicated setup routines, but sophisticated flash techniques such as second curtain and high speed sync are also supported. For video use there is also a 100 lux LED light, and a USB port allows for future firmware upgrades.