Focus stacking is a technique that will give your macro shots much sharper focus. Here's how to get started with a dSLR.

To focus stack effectively, it’s desirable to move the camera in very small increments of sub-mm precision, in order to get different parts of the subject in focus.

4. Stack the focus Downsize your images before stacking, or your computer might struggle to merge the files, especially if they’re large 45MP images from a camera such as the Canon EOS R5.

(Image by Muhammad Mahdi Karim CC BY-SA 3.0) Stay Focused (free with in-app purchases) is an interesting app that does a very complex function for photographers called Focus Stacking.