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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.
What is HDR Photography: Technical Aspects. A digital camera can make shots of objects that reflect or emit light through a timed exposure. These images are low dynamic range photos because the amount of light that an average camera is able to capture is small.