Linked from
The 20 pages that link to Dynamic range, each with the reason it gives.
PhotographyRelated: It limits how much highlight and shadow detail a photograph can retain.
SensorRelated: A sensor's dynamic range bounds the measurements it can report usefully.
Analog signalRelated: It bounds the span of values an analog system can represent cleanly.
Color depthRelated: Bit depth affects the number of steps available across an encoded range.
Landscape photographyRelated: Bright skies and shadowed land can exceed a camera sensor’s range.