Here’s a dilemma that frequently confronts photographers: how do you get everything in a photo tack sharp. What if there are interesting rocks and pebbles a foot or so from your camera and dramatic mountains miles away. This situation calls for a technique called focus stacking.
That’s not the only time you’d want to use it. Imagine using your macro lens to photograph a flower or insect and wanting the whole thing sharp. A macro field of focus is so narrow that only a small amount of the subject is sharp. Here, too, this technique comes to the rescue. Read more.