Just released in January 2011, Canon’s new EF Tele Extenders promise to improve image quality over the two earlier generations of teleconverters, which have never proved satisfactory to me on high resolution digital.
Do the new converters offer good enough quality to really not feel like a serious compromise? That’s the promise, but remember that performance can vary lens by lens, and can vary on a zoom lens with the focal length. At about $499 each, Canon clearly considers them serious tools.
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