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Old Jul 11, 2002, 1:31 PM   #2
henryp
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Join Date: Jul 2002
Location: New York, NY
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Optical zoom is "real" or "true" zoom. Elements or groups of elements within the lens shift to make the lens respond as more tele or more W/A.

Digital zoom takes the image you have and spreads it out, filling in the resulting gap with assumptions.
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