Polaroid Universal Studio Softbox Flash Diffuser for Canon EOS, Nikon, Olympus, Pentax, Panasonic, Sony, Sigma, & other external flash units (17.8 cm x 15.2 cm) (Electronics)
Softboxes function the better, the bigger they are. So we can of this essay (projection about A5 size) do not expect that he performs miracles. However, it can perfect the famous Shadow behind models / objects to soften (especially in portrait mode)