Weighing just 300g the nissin i60a flashgun is a compact yet very powerful accessory for your compact system camera with a guide number of 60m at iso 100200mm the zoom head can cover focal lengths of 24 200mm use the integrated wide angle diffuser to increase this range to 16mm for your super wide angle lenses its wireless slave ttl functionality can be controlled by another nissin flash unit or by the air 1 commander unit and the nissin i60 also has the capability of controlling three