Lapsun 228 LED Compact 4 Zones Microscope LED Ring Light Illuminator 6000-7000K
You may use the feature to change lighting directions and obtain the best illumination for your application. The ring light has 40mm inside. It works with power supplies from a 110-220V. It is an ideal durable cool light source for all stereo microscopes, especially for gemological, coin and gem/jewelry microscopes.

