Calumet 8" X 12" (20 X 30 Cm) Soft Box Flash Diffuser for Canon, Nikon, Olympus, Pentax, Sony, Universal Studio Soft Box Flash Diffuser. Set up and fold flat in seconds and store in bag, making it ideal for location or studio use. Creates Soft, Diffused Light Silver interior lining that increases contrast the softbox creates an even lighting that allows you to capture picture-perfect shots This is a portable and versatile softbox designed for speedlites and flashes with a hotshoe