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.</br>It can provide continuous and stable semi light or full light to meet higher photograph needs.</br>Includes 8 Mounting Rings (49-77mm)</br>Consist of 48 pieces LED higher luminance and lower static power consumption.</br>Fit Device: for any model of NIKON or Canon brand DSLR.</br>Will Fit 49 52 55 58 62 67 72 77mm Lenses</br>For Canon 650D 600D 550D 70D 60D 5D 5D Mark 2 5D Mark 3 Nikon D5000 D3000  D5100 D3100 D7000 D7100 D800 D800E D60</br></br>Product Description</br></br><b>Fit Device: for any model of NIKON or Canon brand DSLR</b> <P> <b>Features:</b> <P>* Visual LCD display with high definition. <P>* Consist of 48 pieces LED higher luminance and lower static power consumption. <P>* The left flash and right flash function makes objects appear more dimensional. <P>* High-quality LED light close to natural light seven levels of luminance status to meet higher photograph needs <P>* The ring flash can be mounted on a camera as photography light. <P>* It is designed and moulded on the basis of ergonomics for the convenience of reading and operation. <P>* LIGHT Mode: press the LED light steady on button (LIGHT) and the ring flash light steady on for video shooting a