The Sto-Fen Omni-Bounce provides you with excellent diffused and even light when shooting indoor with a flash unit. It is extremely simple and quick to attach and remove. The compact body enables you to store it in a bag or pocket. It has a durable built designed to function for several year. It works perfectly fine in a focal range of 15 mm to 200 mm (35 mm equivalent). The camera is compatible with flash units like Sunpak 4500DX, 455, 522, 544, 555.