High Dynamic Range, or HDR, is a digital photography technique whereby multiple exposures of the same scene are layered and merged using image editing software to create a more realistic image, or a dramatic effect. The combined exposures can display a wider range of tonal values than what the digital camera is capable of recording in a single image.
Adobe Photoshop and many other photo editors and digital darkroom applications offer tools and features to create high dynamic range effects.
Photographers who wish to experiment with HDR imaging in photo editing software must capture a series of standard photos shot at different exposures, generally with a tripod and exposure bracketing.
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