Satechi Macro Ring Lite (670) for Canon, Nikon, Product Details
The ST-JY670 offers both continuous and flash lighting for macro and close-up photography.
^^ Twin-tube ring lite designed for close-up photography (which can fire together or independently)
^^ Effective Distance: 20cm-5m
^^ Effective Rate: Full swivel, 80 degrees in either direction
^^ Battery Life: Approx. 100-800 flashes
^^ Includes six adapter rings (49mm, 52mm, 55mm, 58mm, 62mm, 67mm)
^^ Canon / Nikon / Sony / Olympus / Panasonic & Pentax Digital SLR Cameras