Bowens BW-1530 Lumiair Octabox 90, 3-Feet Diameter (Black) Great for creating an outstanding, even, blank light canvas for glamour or fashion Precision tension ensures the straightest edges delivering the perfect cut-off for fashion and portrait work. Add to this two layers of diffusion and you have a completely even spread of light, no more than 1/2 stop from center to edge, with no distracting hotspots. Lumiair professional soft boxes include the main canopy, a rear Cowell, front diffuser, internal diffuser, and support rods. Lumiair soft boxes will accept our extensive range of ring adapters and so can be used with almost all popular flash systems.