Fisheye FIX LIGHT HG20DX Spotting Light

Digital cameras, and especially consumer cameras, have difficulty acquiring autofocus lock in dim lighting. Since light is removed by the water column, in many diving situations, it is beneficial to have a supplementary light source to help the camera focus. On land flashes, there is usually a red focus assist lamp that comes on when the shutter is pressed. Very few underwater flashes have this feature, and for the few that have either