Amazon has Macro Ring Flash LED Light for $31.26 with free shipping.
This LED Macro Ring Light is specifically designed for close shots. It will constantly emit light and provide permanent lighting for subjects. With the LED lamp mode controller, you can adjust the three modes: all light, half left light, and half right light; With the power mode controller, you can choose two different power input modes to offers you continuous light: 2 AA batteries that is convenient for outdoor shooting or AC adapter input. In addition, it includes 6 different thread adapter rings (49mm, 52mm, 55mm, 58mm, 62mm or 67mm) to fit wide range of lens models on the market. [ Shop Now ]