Diver with light © Bernd Nies

Diver with light: Flex Keller with artificial sun, descending into the green unclear water. I did not use the strobe during this dive because of the bad visibility and many backscatter. — Nikon D200 Nikkor AF-S DX 12-24mm, Hugyfot housing, Peninsula Au, Lake Zurich, 3 June 2007. Nikon D200, 1/60 s, F/5.6, 15 mm, ISO 200, Saturday, June 3, 2006 10:52:26