If you know that you want soft, shadowless light for macro work but can't decide whether to go with flash or continuous light, you can have both with the DL-RLF90 LED Continuous and Flash Ring Light from Dot Line. In continuous mode the unit has seven brightness levels with a color temperature of 5600K and a CRI95 rating indicating accurate color reproduction. The ring light is equivalent to a 56W tungsten fixture and Dot Line includes an amber conversion filter if you would prefer to shoot at 3700K. Run time is three hours on four AA batteries. In flash mode the DL-RLF90 has power adjustment of 1/64 to full power and accepts the same amber filter as well as a provided diffuser. Dot Line has got you covered to use almost any lens you might own with the inclusion of 40.5mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72,mm, and 77mm lens adapters.