We own a vintage research microscope ourselves and the lovely R whiles away many a dorky hour twiddling knobs and raising and lowering the stage etc in his attempts to wrest images from his variously illuminated subjects via very special sock-and-cardboard-tube based focal extender. Lol.
Its intricacies have been explained to me, but I forget them. We've managed a few money shots this way but they are scattered into dust before the above-depicted masterpieces; never mind, we're more than happy to be humbled. You should definitely hit the link and check out the rest of it.