Ring flash macro flash suitable for camera type universal flash guide number iso 100 15 zoom reflector without display type none weight 190 g features readiness indicator flash head movement horizontal through to 20 series metz mecablitz functions slow sync second curtain synchronisation integrated autofocus flash controls i ttl e ttl four thirds ttl p ttl ttl adi ttl power supply batteries compatible batteries 2 x aaa flash recycling time 0 3