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Neither a mass migration nor a crocodile attack, simply a herd instinct to bolt. One moment the zebra<br />
were drinking calmly in an Etosha waterhole, one shied and they all reared and ran. The panic was short<br />
and they returned to drinking only to repeat the process minutes later.<br />
As a photographer I needed a fast shutter speed and a middle of the road aperture to ensure everything<br />
was in focus. A telephoto lens magnifies shake and movement as well as image so I needed an ISO of<br />
800, or greater, despite the bright Namibian sun.<br />
The Dancer by Gordon Longmead<br />
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