Optical Zoom= Changing the focal length of a camera by adjusting the physical zoom lens. The higher the optical zoom, the better the results. In a camera, an optical zoom of 10x or more is called a “superzoom” lens. Note that if a camera is advertised with “10x zoom,” that does not necessarily mean optical zoom only. In many cases, the optical is 3x with the additional 7x being digital.
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