 Adjust brightness, gamma, chroma, contrast, hue, sharpness and blur with slider bars, up/down buttons, or type new values in directly. Changes are instantly reflected in the preview pane.
- Brightness
Make the picture brighter or darker.
Set values between -100 (darkest) and +100 (brightest) with the slider.
- Gamma
Gamma adjusts the brightness of mid-level tones. Compresses darker tones and lengthens brighter tones.
Set gamma values between 1 (darkest) and 200 (brightest).
- Chroma
Chroma adjusts the purity of colors or saturation.
Change between -100 (no color) and +100 (richer color).
e.g. To raise the chroma by 20%, set the value to +20.
- Contrast
Contrast adjusts the relative difference between the dark and light tones.
Set contrast between -100 (darkest) and +100 (brightest).
- Hue
Hue adjusts the relative positioning of the colors along the color spectrum. It has no effect on 8 bit greyscale or black and white pictures.
Set values from -180 to 180. Colors shift along the spectrum from Red¬>Green¬>Blue.
- Sharpness
Sharpness adjusts the degree of clarity in the photo. (Opposite of blur.)
Set sharpness from -100 to +1,000.
- Blur
Blur softens a photo, or reduces the degree of clarity in the photo, measured in pixels. (Opposite of sharpness.)
Set blur from 0 to 20. The number represents the area size to average the pixels for.
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Adjusting Colors 
Adjusting Colors 
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