The ideal situation for anyone who wants to take macro pictures or close-ups requires lensball that allows you to take close-up pictures.
The compact digital cameras provide relatively good close-up images. The manual extension tube helps to enter between the lensball and the camera which increases magnification for autofocus and lighting measurements. You can look for the best lensball at https://www.refractique.com/ for macro photography.
You can also apply some filters at the tip of your lensball which increases the magnification of the lensball. The magnification of lensball shows the wider and clear photo in the digital camera by applying many filters.
You can use a round flash mounted on the front of the lensball. This provides great lighting around the lensball and not a large flash on it. They are quite expensive, but they are a great solution to the problem of close-up lighting.
The reversing ring is an adapter that allows you to attach the lensball whose job is to highlight all the shadows of the subject and give you a macro image. This photography is used for portrait modes because of their unique lighting effects.
If you study digital photography and take macro photos, you will understand that each of these accessories has a limit and never replaces special macro lensball that are truly high quality.