Zoom is a feature of many cameras and camera phones that makes the subject appear "closer", filling more of the image area. The other type of zoom is digital zoom, a software feature that has ...

Zoom is a feature of many cameras and camera phones that makes the subject appear "closer", filling more of the image area. The other type of zoom is optical zoom, which uses moving lenses for maximum ...

Changing the focal length of a camera by adjusting the physical zoom lens. All zoom lenses in film cameras and digital single lens reflex (DSLR) cameras are optical zoom. Digital point-and-shoot ...