of light reveals hidden details not seen by the naked eye when observing rock art under the visible part of the spectrum. Here are three pairs of comparative images of several sections of the wonderful pictograph panel in Buckhorn Wash in the San Rafael Swell, a small portion of which is seen below.
The following pairs of images first show an unretouched raw image followed by an enhancement filter applied by DStretch software.
The software is available at DStretch.com.