StiX floats are the easiest way to lighten up a heavy DSLR system underwater. Made by 4th Generation Systems, they are easy to put on and can be cut away as necessary.
Divers and underwater photographers are being inundated with a dizzying array of new and different lights. Some of these have similar features like a single button for both mode and power, single lith-ion batteries instead of more reliable battery packs and chargers. Most less expensive LED arrays that have hotspots. In other words, buying lights strictly on the basis of lumens for dollars doesn’t always yield the best results.