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Old Nov 26, 2007, 2:47 PM   #15
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Join Date: Jul 2003
Posts: 176

I would just like to add that Image Stabilization will not help you trying to catch the action of let's say a Cheerleader moving all her arms and legs or flying through the air. IS can only reduce the motion induced by the photographer, not the movement inside the image. In case of a moving cheerleader, you may get a crisp background because the IS managed to compensate the shaking of your hand, but the cheerleader is still going to be blurred as she moved within the image. So if the stage is usually lit well enough, you can pretty much save yourself the money for IS. In the example of the cheerleader competition, if the stage is lit well enough, you would do better with a 70-200L 2.8 non IS than with a 70-200 f4 IS lens.
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