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A digital single-lens reflex camera (also called a digital SLR or DSLR) is a digital camera that combines the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor, as opposed to photographic film.
Save. In digital camera terminology, the term DSLR stands for digital single-lens reflex camera. A DSLR camera operates differently than a standard point-and-shoot digital camera. Some defining characteristics are full manual control of camera functions and the ability to attach with and utilize separate lenses.SLR Technology. Digital SLR cameras use a mirror within the camera behind the lens mount but before the image sensor. This mirror, in conjunction with a prism, means the photographer sees through the viewfinder the actual image that will be taken.