**********This RF-550D is specially designed to use in the field of macro-shot, scientific research, medical and personal photography in a very close distance shooting. *****8 Mounting rings adapter fit 49, 52, 55, 58, 62, 67, 72, 77mm lenses. *****Comes with high-definition LCD Display. *****This high intensity LED ring flash Light suitable for Canon/Nikon/Pentax/Olympus/Panasonic DSLR with hot shoe. *****3000~15000K Color temperature.