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Contrast mask tutorial · 3

Apply a Gaussian Blur

Now apply a Gaussian Blur

Filters » Blur » Gaussian Blur
Gaussian Blur

The default Blur Radius is 5px, for this 400×300 image we've changed this to 3.5px. As a rule of thumb make the blur radius 1% of the average image size. Use the calculator below to work out your blur radius.

Gaussian Blur adjust
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