Bowens BW-1505 Lumiair Softbox 80X100, 31 x 39-1/2 Inches (Black) For larger portraits or when a softer light is required. 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.