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Harlequin Duck

Image # 1D2_04133

LeHardy Rapids, Yellowstone National Park


Canon 600L/f4 IS with2x II Teleconverter

ISO 640, f/11, 1/1600 second

Manual Exposure

Gitzo 1325/Arca Swiss B1/Wimberley Sidekick


These ducks were amazing swimmers, braving fairly fast moving water. It seemed like a very turbulent and unlikely place to find ducks hanging out. They were not especially close to the shore, so I took a number of shots with the 2x on the 600L. This gave me a maximum aperture of f/8, but I went ahead and stopped down to f/11 to minimize the optical degradation that is inevitable when adding teleconverters.