an electronic method of making something appear nearer when being photographed, without moving the camera lens

Many phone cameras use only digital zoom, while professional cameras do not usually feature it. 很多手机相机只使用数码变焦，而专业相机一般不具备数码变焦功能。

Most digital cameras have both optical zoom, in which the lens moves, and digital zoom, which manipulates the image electronically. 大多数数码相机都具备光学变焦（镜头移动）和数码变焦（以电子方式处理图像）功能。