Compact and powerful the metz m400 flashgun for olympuspanasonic represents a new generation of compact flash systems especially designed for compact system cameras designed for photographers and videographers the m400 features a maximum guide number of 40 iso 100 auto ttl mode an adjustable led video light an integrated oled display a motorised zoom function 24 105mm a fully pivoting head with removable reflector card and an integrated wide angle diffuser for 12mm angle of view