“Amazingly, while a Levels adjustment in Photoshop or Photoshop Elements has just three sliders, Photos has eight,” Snider writes. “This gives you precise control over the brightness levels of all the tones in your image. For example, you can control brightness levels in just the darkest shadows, just the midtones, just the lightest highlights, in the tones that fall between shadows and midtones, and in the tones that fall between midtones and highlights.”
“Hover over the Levels section that appears in the list of Adjustments to see the controls shown in the image below. If you click the Auto button, Photos will try its best to improve all the brightness levels in your image. If you like what you see, you’re done,” Snider writes. “To adjust the image even further…”
Read more in the full article here.
MacDailyNews Take: Worth the read for anyone who’s in the “Let’s see what this one does” camp or who’d like simple illumination/clarification on what the Levels sliders do in Photos.