Graslon Prodigy Flash Diffuser with Snap-On Flat Lens Fits Canon, Metz, Nikon, Olympus, Pentax, Sony, Sigma &amp; many other flash units Dual mirror system guarantees a larger light source before diffusion Included flat diffuser softens light and directs it straight ahead, making it especially useful in situations where there are no available bounce surfaces Professional quality won't look out of place with expensive photography gear Secure, easily-removed, no-adhesive mounting system