Root Hole
Fig. 10: There is a big hole in this root. This place is subject for many famous shots. Unfortunately no diver wanted to place himself behind it for taking a picture. — Nikon D200, Nikkor AF-S 10.5mm f/2.8 Fisheye, 2 x Sea & Sea YS-110α strobes, Lake Samaranger, Austria, 10 August 2013 Nikon D200; Δt=1/100 s; f=10.5 mm; f/3.2; ISO 200; 10 August 2013 15:33:51