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Use "autofocusing" in a sentence
"That includes autofocusing, which is touch-to-focus."
"The E-620 also offers top-of-its-class high-speed performance with a newly developed 7-point AF system for fast, accurate autofocusing and high-speed sequential shooting at 4 frames per second."
"Canon claims it has tweaked the autofocus on the Live View function, making it feel like you're autofocusing with a point-and-shoot, the ultimate goal for live view on an SLR."