R1C1 macro flash kit - Dennis Saßmannshausen Photography
The Nikon Creative Lighting System: Using the SB-600, SB-700, SB-800, SB-900, SB-910, and R1C1 Flashes: Using the SB-600, SB-700, SB-800, SB-900, and R1C1 Flashes - Mike Hagen: 9781933952994 - IberLibro