AmScope T580B 40X-2000X Professional Research Biological Compound Microscope

(This professional trinocular microscope boasts four unique features no other microscope dealer can claim! Different from most other microscopes on the market, the T580B is remarkable because it features 1) crystal clear optical system, 2) simultaneous viewing through the photo port and eyepieces, and 3) an adjustable simul-focal trinocular port.

eBay