Sto-Fen Omni-Bounce OM-PZ4 Flash Diffuser (for Sunpak PZ4000AF / Metz 40 AF-4 Flashes) BEAUTIFUL, VIVID IMAGERY  The Sto-Fen flash diffuser helps reduce red-eye, shadows, reflections and variable lighting to create gorgeous portraits. SUPERIOR PORTABILITY  Slim and lightweight, this professional light diffuser provides soft bounce lighting for amateurs and professionals. Use it for home shots, while traveling or on the go. QUICK ATTACH/DETACH  The diffuser is designed to attach and detach rapidly with NO Velcro is ever required so you can quickly switch between cameras, image styles, and layouts. PRECISION COMPATIBILITY  Designed specifically for the  Sunpak PZ-4000AF  Metz 40 AF4. SATISFACTION GUARANTEED  Made in the USA, Sto-Fen products are created with superior quality materials backed by customer service you can trust. And because every order comes with a 30-day money back guarantee, purchase risk free.