Digital Flash Effects

Brighten dark areas of a photo like a fill-flash. This effect burns bright areas and dodges dark areas to make photos look closer to what we naturally see with our
own eyes.
Contrast Mask
The first step is to create a contrast mask. This is basically just a grayscale layer that’ll define where the image needs dodging or burning.
Step 1
Open a photo you would like to edit. Or, you may use the photo used in this tutorial
Digital Flash Effects
Step 2
Duplicate the layer (Layer> Duplicate Layer or Ctrl+J) and change the blending mode of the new layer to Soft Light.
Digital Flash Effects
Step 3
With the top layer selected, Invert (Image> Adjustments> Invert or Ctrl+I). You should immediately notice the details revealed.
Digital Flash Effects
Step 4
The color seems to have desaturated a little bit. To fix this, simply desaturate
the top layer (Image> Adjustments> Desaturate or Shift+Ctrl+U).
Digital Flash Effects
Layer Mask
We need to add a layer mask so that we can filter the effect so that it’s only affecting the dark areas and not the bright areas of the image.
Step 5
Add a layer mask (Layer> Add Layer Mask> Reveal All).
Digital Flash Effects
Step 6
Make sure the layer mask is activated. The thumbnail of the layer mask in the layers window should have a white border around it. If it doesn’t, click on the thumbnail to activate the layer mask.
Step 7
With the layer mask selected, open the Apply Image tool (Image> Apply Image) and apply these settings:
Layer: Background
Channel: RGB
Invert: Checked
Blending: Normal
Opacity: 100%
Digital Flash Effects
Step 8
With the layer mask still selected, open the Levels tool (Image> Adjustments> Levels or Ctrl+L). In the Levels tool, drag the middle input slider towards the left to increase the effect or towards the right to reduce the effect.
Digital Flash Effects
This part is just an additional trick that’ll help sharpen the image with this effect. This part is optional.

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