It’s not that difficult to add computer control to a microscope. Now I realize this is not a huge need for the general photographer, however, some of us use photography in our profession, not weddings or models but in my case, I’m a geologist. We tend to take lots of pictures in the course of our work. We also need to look at samples utilizing a microscope.
Usually, we examine rock samples by slicing them into very thin sections, grinding them down to a few microns, and then passing polarized light through them in our weird geological microscopes. Now sometimes, we need to look at items in three dimensions. Especially with very small fossils. The problem with photographing them is that the depth of field for most microscopes is extremely narrow, so you end up with only a small slice of the fossil in focus. The ability to do focus stacking has revolutionized our visualization of fossils. The problem is that most macro rigs don’t offer the magnification needed without going through a lot of bother.