Here is a link to a photo tutorial and free software download, to use the technique of focus stacking.
Take a look at this short clip on focus stacking in action, in this video tutorial using Helicon Focus software, or free Combine ZM software.
Focus stacking is a digital image processing technique which combines multiple images taken at different focus distances to give a resulting image with a greater depth of field (DOF) than any of the individual source images. Getting sufficient depth of field can be particularly challenging in macro photography. The images at right illustrate ... [ Read more... ]