An imaging device includes an optical system including a zoom lens and a focus lens, a driver to drive the zoom lens and the focus lens, an image sensor to convert an optical image of a subject formed via the optical system into an electric signal and output the signal as an image signal, an image processor to generate image data of the subject according to the image signal, a digital zoom element to perform digital zoom on the basis of the image data; and a position detector to detect a position of the zoom lens, wherein the digital zoom element is configured to perform the digital zoom even when the zoom lens position has not reached a telephoto end.
