Color Efex Pro 4 Graduated ND Filters

Photographer and author Jason P. Odell, Ph.D. explains the Graduated Neutral Density effect in Nik Software’s Color Efex Pro 4 photo editing application. The Graduated ND filter effect replicates a traditional resin or glass filter. You can place it anywhere you’d like in the image and control the upper and lower tonality (brightness). Use the Graduated ND filter to compress tones in your scene. For example, use it to make a bright sky darker. The trick to using this filter is to get the place