1. Straighten, fix distortion, and crop the target image.
2. Using the second lightest gray patch (E2) on the gray ramp, white
balance the image using your application’s White Balance tool.
3. Adjust the white patch (E1) to an RGB value that averages RGB: 230
or 90%.
If you are using Lightroom, move your cursor over the white patch
to see the RGB percentages below the histogram. Adjust the
Exposure slider so the measurements for RGB average 90%
If you are using Camera Raw, select the Color Sampler Tool and
place a target on the white patch. Adjust the Exposure so the
measurements for RGB average 230.
If you are using Phocus, move your cursor over the white patch to
see the RGB measurements; found at the bottom right corner of the
editing window. Adjust the Exposure so the measurements for RGB
average 230.
4. Adjust the black patch (E6) to an RGB value that averages RGB: 10 or
5%.
If you are using Lightroom, move your cursor over the black patch
to see the RGB percentages below the histogram. Adjust the Black
slider so the measurements for RGB average 5%
If you are using Camera Raw, select the Color Sampler Tool and
place a target on the black patch. Adjust the Black slider so the
measurements for RGB average 10.
If you are using Phocus, move your cursor over the black patch to
see the RGB measurements; found at the bottom right corner of the
editing window. Adjust the Brightness so the measurements for
RGB average 10.
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