Here is my collection of microscopes that I use for various paleontology explorations. I do a lot of thin sections of small fossils as shown here.
Visible light, measuring and polarizing scopes.
Infrared microscope for micro analysis.
Thin section of fossil wood
Pollen
I extracted from the KT boundary 
30 million year old fossil eggshell in cross section.
Fossil wood fragment from the KT boundary
Thin section of dinosaur tendon
Very
small spider 
Mineral in polarized light