2) Extension tube. With a rear lens mount at one end and a camera-body mount at the other, this device is usually used for closer focusing with long telephotos. But place one between your DSLR and a short tele or normal lens, and you can focus into the macro range. For even closer focusing, use one with a reverse-mounted lens. Try Kenko Auto Extension Tube Set DG (12-, 20- and 36mm, from $169, street).