http://www.cambridgeincolour.com/tutori ... aign=news4Focus stacking is a powerful technique for extending a photo's apparent depth of field. It's perhaps most useful in close-up and macro photography, since the camera lens's highest f-stop is often insufficient to render everything in focus -- but it can also be quite helpful with other types of photos.
En voor wie het nog niet wist: meer tuts:
http://www.cambridgeincolour.com/tutorials.htm