I have often wanted to carry out global adjustments in Lightroom which target specific luminosity values in an image. Lately, I have discovered a way of achieving this. It is not as precise as, for instance, luminosity masking or blend-if masking in Photoshop, but yet it has the power to give an image that extra punch many of us are looking for in our editing. This is the straight-out-of-camera version of the image we will be working with, shot in…