Action: Controlled - BlendIF Select lightness channel Set Selection To: all Copy Select Lab channel Paste Anti-alias: none Set current layer To: layer Name: “Lighten Shadows” Set current layer To: layer Mode: screen Set current layer To: layer Blend Range List: blend range list blend range Channel: lightness channel This Layer Black Min: 0 This Layer Source Black Max: 0 This Layer Source White Min: 0 This Layer Source White Max: 255 Underlying Layer Black Min: 0 Underlying Layer Black Max: 0 Underlying Layer White Min: 255 Underlying Layer White Max: 255 Layer Styles: layer styles Scale: 416.7%