Hand Lenses / Loupes for Macro Photography?

just a sample shot - to get an idea of the DOF with the microscope attachment. field of view is about 1.5cm
it also works without microscope attachment as attachable telephoto lens.

i only have a poor smartphone camera - 12MP single lens

There are some good clip-on macro lenses for smart phones - Apexel from India are good quality. But i do not have one this clips.