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  Tutorials Photoshop Photo Editing Double exposure

Double exposure

FotoFects Photo Editing Mar 21, 2005

If your digital camera does not have a double exposure or multiple exposure setting, use this tutorial to merge two images together.

image 1 1. Open the image that will be the first exposure.

image 2 2. Open the image that will be the second exposure. With the windows cascaded (Window> Arrange> Cascade), drag the second exposure image to the first exposure window while holding the shift button to create a new layer in the first exposure.

image 3 3. Add a layer mask to the second exposure (Layer> Add Layer Mask> Reveal All).

image 4 4. With the second exposure layer's layer mask selected, use the "Apply Image" tool to apply the following settings:

Source: filename
Layer: Background
Channel: RGB
Invert: Unchecked
Blending: Normal
Opacity: 100%
Mask: Checkmarked
Layer: Background
Channel: Gray
Invert: Checkmarked

Click OK.

Double Exposure 5. Try inverting the second exposure layer's layer mask for a different effect. Rollover the image on the left of this step to see the original image before this technique was applied.

While the most common way of creating a double exposure is by using a different blending mode on the top layer and adjusting its opacity, this method accurately simulates how a camera takes a double exposure. A layer mask is created so that the second exposure will blend into the first exposure according to the brightness of the first exposure.

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