Check-Dive
Fig. 2: Divers in the water. This was just a test shot during a check dive whether f-stop was correct and flash working. But it looks somewhat funny due to the spherical ground. — Nikon D200, Nikkor AF-S 10.5mm Fisheye, Paradise Reef, Red Sea, Egypt, 21 September 2012 Nikon D200; Δt=1/100 s; f=10.5 mm; f/5.6; ISO 200; 21 September 2012 05:56:12