Ascidians competing with a sponge at Rottnest Island, Western Australia. Canon 20 D digital SLR camera, Ikelite housing, DS125 strobe, 100 mm macro lens, +4 dioptre closeup lens. Photo Comp August '05 - Open
The UFL-2 is an external flash specifically for underwater use, featuring the new 'RC data transfer' wireless communication method developed originally by Olympus.