Kaavie//Travor - Macro 48 LED Ring Flash RF550D With 8x Adapter Rings (49mm, 52mm 55mm, 58mm, 62mm, 67mm, 72mm, 77mm) for Canon, Nikon, Olympus, Pentax cameras (continuous light and flash support) This RF- 550D Marco LED Ring Flash is specially designed to use in the field of macroshot, scientific research,medical and personal photography in a very close distance shooting. It can provide continuous and stable semi light or full light to meet higher photograph needs. Visual LCD display with high definition. Consist of 48 pieces LED, higher luminance and lower static power consumption. Fit Device: for any model of NIKON or Canon brand DSLR