I have learned that a monocular/binocular compound microscope with viewing objectives of 10X, 40X, 100X, and 400X is what is needed. According to the source, any power above 400X is a bonus, but isn't required...

Source:

http://www.beautifuldragons.com/Fecaltest.html


That source also recommends the same book that you mentioned, Deborah...