Quote Originally Posted by Chuck Lee
(edit) In response to the two photos by Dallasphotog:




I would like to point out that IS was not necessary for either shot. When shooting sports, 1/250 or faster shutter speeds are needed to freeze motion. At 200mm the IS would not be necessary until 1/200 or less.
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For either shot shown, you are correct, because of the camera being used. Had it been the original poster, with a Rebel XS, the ISO would have been different, and therefore the aperture and/or shutter speed would have been different. Had the aperture and composition stayed the same, it would have been right on the edge of handholdability. Had the aperture been the same and the zoom ring moved any closer towards 200mm (it most likely would have been at 125mm), IS would become helpful and/or necessary.