It will take a bayonet adapter S walimex for studio flash to fully enjoy this beauty bowl on a studio flash. Silver metal with central deflector comes with a rigid honeycomb grille and a white diffuser section attaches very easily on a studio flash. The 41cm diameter is sufficient for portraits where you will find the interest of this type of reflector: carnation magnified, no unsightly shadows, reflection pupil ... And at this price, it's a bargain!