Setting the contrast range in your image
In addition to the grey faces on your SpyderCUBE, there are 4 other useful tools; the
chrome ball, the white faces, the black face, and the black trap.
When processing your images, you can use all of these tools to ensure you have the
correct range of detail in your image. Turn on the over and under exposure warnings in
your software. This will show you if any portion of your image is out of gamut, meaning if
there is detail in the highlights and/or shadows that are too bright or too dark to be
reproduced properly.
Notice the slight overexposure warning on this image in the chrome ball:
