This group is always at the top of the layers palette and contains layers such as color overlays, sun glare, fog, and overall adjustments.
这个组往往会放在图层面板的最上端,包含例如色彩叠加、阳光、雾气和整体调整图层。
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Chemical fog: Overall density produced by an excessive degree of development, due to unexposed silver halides being attacked by the developing solution.