This is a short video of the cave "El Toh" in Yucatan, Mexico.
Diver: Christoffer Brenna
Safety: Sebastien Kister
Camera: Jonas Pedersen
Shot with Sony a7s in Nauticam housing.
Shot in Slog-2 and ISO between 3200-50000.
Lights:Gralmarine LED 16 Duo Video, Gralmarine 3XML-2 and Halcyon EOS
Music: Biosphere - Poa Alpina