Bulb for GIA GemoLite Mark Vl Microscope - 35 Watt Tungsten-Halogen – GIA Store
40X-1000X Biological Compound Laboratory Microscope, Binocular, Halogen Light, Infinity Plan | Boli Optics Microscope Store
Cheapest Trinocular Biological Microscope for Biology with Halogen Lamp or LED Light - China Biological Microscope, Trinocular Microscope | Made-in-China.com