This effect/filter adjusts the contrast of a source image.
This effect has keyframes
Contrast - Set the contrast. Allowed values are from 0 to 1000, default value is 250.
This filter controls the tonal range of the source which maps pixel values below a specified value to black, and those above a specified value to white. It is best used in conjunction with RGB Parade and the Histogram. Values below 250 decrease the contrast between dark and light areas, values above 250 increase it.