Light color :White/red
Spot diameter :1.50″ (38.1 mm)
Light output :79 lm
Inside diameter :1.925″ (48.9 mm)
Outside diameter :3.50″ (88.9 mm)
Power dissipation :5 W
Max. current :360 mA at 14.5 VDC

Model RL72 :: High output ring light

Please note that this is a legacy product. We recommend Model RL28Q for new designs.


  • High light output
  • Outlasts fluorescent ring lamps
  • Available in red and other colors upon request
  • Less than 5 W power dissipation
  • Low cost
  • Compact size
  • Includes brightness control
  • Available with flush mount


Orled's RL72 is a low-cost ring illuminator for inspection microscopes. It provides 360 degrees of illumination, eliminating shadows while using under five watts of power. Our ring lights typically outlast fluorescent lights by a factor of five, yet are equivalent in performance and comparable in cost. This unit is supplied with brightness control to allow you to easily adjust light output between no output and full output.


The RL72 is supplied with set screws for connection to microscopes.

Input power

An AC adaptor which uses standard 120 VAC is included with Model RL72. A maximum of 360 mA at 14.5 VDC is supplied by the brightness control.


Model Description Price Order Qty.
1 2–9
Ring Lights
RL72 Model RL72 $451 $411