Concentrate instead on achieving the right mood and lighting effects without washing out highlights and shadows during rendering then use an image processing program to correct the tonal range of the results. Full equalization is never an absolute requirement, if you are trying to achieve a foggy night scene or hazy landscape, you may not want to fully equalize your image. Experiment with different techniques and learn to adapt them to your own expressive style. After Gamma correction Gamma is a fancy name for a simple idea. Gamma brightens images in such a way that the darker the area is, the more brightening is applied.
Lighter areas receive less brightening.
This allows an image to be lightened without washing out the highlight details. Correction for gamma is particularly useful when you try to print your images. Many printers create image considerably darker than what appears on your monitor. Gamma correction before printing can help overcome this problem. About Printing Printing can be one of the most frustrating and confusing aspects of computer art generation.