- Choose an image and make the 4 light and 4 dark luminosity masks saving each one and renaming appropriately. If your not sure how to do this review the luminosity masks on the PHOT 151 page.
4. Now option-command click on the “darks” channel. You more than likely will get the warning “no pixels are more than 50% selected. Just ignore this and proceed.
6. Click back to your layers pallet and make an adjustment layer of your choice. Option-click on the mask. You should see something like this:
8. The resulting image: