Histograms just show you what’s happening in your images, they’re not there to tell you what to do. But there’s an old adage from the days of film photography that you should still be able to see some detail in the darkest and brightest parts of your pictures, and that’s carried through into digital photography. This is the job of the histogram. It shows you whether the … [Read more...] about Histograms aren’t sacred: shadows and highlights CAN be clipped
The histogram is a graphical display of the brightness values in the picture. The darkest tones are at the left and the brightest on the right, and the vertical bars show the number of pixels for each brightness value. Histograms are an invaluable exposure aid when taking pictures, and when editing them later.
Levels adjustments are are pretty basic and straightforward way of maximising the tonal range of your pictures. You move the white and black point sliders to line up with the brightest and darkest parts of the picture, and that’s it – you've got maximum tonal range and contrast. Curves are more complex because they enable you to adjust the brightness and contrast within … [Read more...] about Levels vs curves vs luma curves: ways to adjust contrast in photos
There's this idea in digital photography that your histogram must never be clipped, and that it should always fit – just – within the maximum width of the scale. And sometimes we work so hard to recover shadow and highlight detail to prevent clipping, that we end up with an image that has lost its impact. So here's a more controversial approach! The fact is that some shadow … [Read more...] about How to preview and control histogram clipping in Lightroom