Batch Exposure Correction
Bring a batch to a consistent midtone using linear-light histogram analysis, with highlight rolloff instead of hard clipping.
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Each photo's median luminance is measured in linear light and shifted toward the target. The classic reference is 0.18 — the 18% grey card that light meters are calibrated against.
Highlight protection replaces hard clipping with a Reinhard-style rolloff above a knee point. Without it, pushing exposure turns skies and wedding dresses into a single flat white with visible banding at the boundary; with it, values that started out different remain distinguishable after the lift.