One solution is the use of a ring flash or light that surrounds the lens since the standard camera flash is mounted in the wrong place for such shots, or focus back from the subject and post crop the image.
I used an inexpensive LED version of a ring flash for the following pictures of moss and lichen on my brick wall which faces north and is ideal for them. Magnification is close to 1-1 on the pictures
I couldn`t see this tiny 3mm ant on moss with the naked eye until I looked through the macro lens and saw what it was after, young and adult aphids.
|first off couldn`t resist this tiny 1cm flower the Common Storksbill|
|Lichen on a brick wall|
|Morning dew (and aphid) on strawberry leaf|