Focusing on the moving surface of a bubble is quite difficult, but the D4's continuous AF handled it pretty well, with only a few misses out of over 100 shots.
(1/80 sec, f4.5, ISO 800, AWB, spot metering, -1EV, 24-70mm lens at 70mm)
July 16, 2012 1:52 PM PDT
Photo by: Lori Grunin/CNET
| Caption by: Lori Grunin
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