Quote Originally Posted by peety3


Here's a view of the Space Needle, using the 200/2IS lens on a 1D Mark III (effective focal length 260mm), handheld at f/2 ISO 1600 1/13th:


Here's a crop from the same picture, where you can make out TVs, people, and I believe some of the underside roof details between levels:





Effective focal length 260mm, so the theory says I'd need 1/260th to handhold that. Four stops of improvement would mean 1/16.25th, so I got a little better than four stops in this case. Go here for the full-res shot: http://photos.templin.org/gallery/seattle200908a/Seattle0820_004?full=1
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That's incredible detail! I would love to see what that shot would look like without IS!! 1/13th is truly amazing for an effective 260mm lens.