However, there are no limitations (at least by software) to the number of photos you can use. Usually, 3 shots 1 EV apart do the trick. Stacking 3 or more images shot at different exposure settings (underexposed, normal, and overexposed) can be used in order to expand the dynamic range beyond the capabilities of the camera. You can get a cleaner, sharper image and you can compress tones to gain better dynamic range in your photos by stacking. Let's look at them in detail. But what are the benefits of stacking images? Well, as simple as it may sound, you are able to achieve results you wouldn't have been able to obtain with a single photo. Since the beginning of the digital age in photography, stacking images has become much more common than it used to be earlier.
