PRESSlite Vertex Light Modifier, for any Portable Shoe Mount Electronic Flash The PRESSlite VerteX can be instantly transformed into multiple configurations, for tackling virtually any lighting situation. The breakthrough technology enables you to fine-tune your flash output, for stunning, studio-like results. The radical new design offers a host of features not available with any other diffuser or light modifier currently on the market: Multi-Dimensional Lighting: Now you can sculpture light, in multiple dimensions, blending diffused and non-diffused illuminations from different directions. The VerteX can project multiple, discrete, steerable light sources from a single flash. This opens up an entirely new set of options and strategies for creative lighting that were never before possible.