As we know, ring flash setup with the combination of a series of Nikon SB-R200 Speedlights and SX-1 can create dramatic pictures but it sure can set us back with its cost of ownership. And what better cheap alternative venture it can be to build one yourself! Of all the DIY ring flashes, I find this to be the easiest. Attached is a detailed step chart to make one yourself. Have fun!
Here's a sample of shot effect from a DIY Ring flash.