Behind image stabilizer lenses and the Canon EF 70-200mm IS USM - By: Carol Pruitt, 2009-01-15

Image stabilizers are helpful fancy additions to zoom lenses. In high zoom factors every tiny camera movement is translated to a blurry photo. There are different techniques to avoid such movement but sometimes when taking photos fast without a tripod or special equipment an image stabilizer lens might be the only way to go. Here is how and why.

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