Re: Epi-illumination through a viewing tube

Marco Al writes:

So the only choices (without major metal shop work) are hacking an
epi-illumination microscope (don't see a lot of them second hand on
ebay)

You can find hackable cheap microscope beamsplitters (that being the key
word) on eBay. Plenty of instrumentation uses this principle so it
shouldn't be difficult. Or you could just put a beamsplitter in front of
the objective, which indeed Bausch and Lomb used to do on Stereozooms.
.