Versatile: The maximum guide number of 40 for ISO 100 is capable of handling almost all shooting situations
Adaptable: The M400 is also ideal for wireless operation, be it TTL or servo
The Auto TTL operating mode enables the camera to fully automatically control the flash unit and ensures the subject of your picture is put in the best light possible
Versatile lighting options are provided by the motor zoom function (24-105 mm), the fully pivot able reflector with removable reflector card and the integrated wide-angle diffuser (12 mm).