Sidemount Diver
Fig. 2: A diver with sidemount tanks and another diver. — Nikon D200, Nikkor AF-S 10.5mm f/2.8 Fisheye, 2 x Sea&Sea YS-110α, Lake Fernstein, Austria, 10 August 2013 Nikon D200; Δt=1/250 s; f=10.5 mm; f/4.5; ISO 200; 10 August 2013 10:19:23