The Olympus UFL-3 is a very compact, high-performance underwater flash. It is waterproof up to a water pressure equivalent to a depth of 75 m with a guide number of GN22 and a charging time of approx. 2 seconds. The UFL-3 comes with a dedicated diffuser (UFLDP-4).
It is specially designed for the use with Olympus digital cameras and compatible underwater cases.