Photo: HDR+ mode on. Look how much brighter, cleaner, and sharper this image is than the previous one. Zoom in and notice how much more detail you can see in her hair and eyelashes.
Photo: HDR+ mode off.  It was dark in Princeton University Chapel, so this shot suffers blur from camera shake, smearing from strong de-noising, and plenty of residual noise in the shadows.
Photo: HDR+ mode on.  Aligning and averaging multiple images avoids noise (and the need for strong de-noising), and a shorter exposure time avoids blur from camera shake, producing a brighter, sharper, cleaner picture.
Photo: HDR+ off. While the cliff at left is well-exposed, the tree-covered hillside at right is under-exposed, and the sky is blown out.
Photo: HDR+ on.  The cliff, hillside and sky are captured. Contrast and saturation are also improved.
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Marc Levoy
Public
HDR+ mode on.  Aligning and averaging multiple images avoids noise (and the need for strong de-noising), and a shorter exposure time avoids blur from camera shake, producing a brighter, sharper, cleaner picture.
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