Ressel, plongée souterraine. Cave diving. Lot, France
Gallerie principale du Ressel.
Ressel cave, main gallery
Onboard strobes: 2 Sea&Sea YS110 triggered with optical fiber, located on both sides of camera
Remote strobe on diver's back: Sea and Sea YS90, triggered with Heinrichs Weikamp RSU unit
Continuous lighting on diver: Tillytec dive light