The metz mecablitz 15 ms 1 macro ringlight digital flash is an advanced macro ringlight flash that provides full wireless ttl control with virtually any slr camera system brands supported currently are canon nikon olympuspanasonic pentaxsamsung and sony alpha the ms 1 is a highly customizable macro flash each of the two separate flash bulbs inside the ringlight are individually controllable and each reflector can be swivelled with a range of 0 20 the ratio control feature allows for