TechniQuip TLC-5 Fluorescent Lamp Microscope Ring Light Illuminator 120V

AmScope MIC-209 Microscope Fiber Optic Ring Light w/ Power Adapter

Unitron 15854 LED Quadrant Ring Light 12VDC 400mA W/PSU For Microscope

TechniQuip TLC-5 Fluorescent Lamp Microscope Ring Light Illuminator *No Bulb*

Fiber Optic Ring Light Guide, ø2in ID, ø1/2in OD Input, ø8mm Bundle, 4ft Long

Schott Leica KL1500 230V Fiber Optic Halogen Light Source Microscope Illuminator

Kyowa FL-10R Fluorescent Ring Illuminator 10W Shadow Free Microscope Light Japan

LED Ring Light Adjustable Mount Microscope Attachment Made in the USA