Technology / Digital Cameras / Optical Zoom: The ability to magnify a subject for close-ups, by adjusting the camera's lens assembly (thus the name 'optical'). Most current digital cameras include an optical zoom lens of some kind. The amount of zoom commonly varies between 3X and 20X, 3X being less range and 20X being considerably more. Although optical zoom specifications may look low compared to digital zoom specifications, remember that optical zoom is the way to go, since it won't result in image degradation.
Technology / Digital Cameras / Digital Zoom: The ability to magnify an optical image digitally, using interpolation. Digital cameras can come with quite high levels of digital zoom, but the image quality suffers noticeably as more digital zoom i MORE
Technology / Radar / Zoom Control: Zooms the display in on the area around the cursor or between the cursor and the display center to enhance the view of a target area. MORE