Feature:The Macro Ring Flash Lite can produce a ring of light that reduces shadow which is suitable for macro shotting.The flash tube is mounted in front of your lens producing light around the objects.7 adapter rings are included to fit for different size lenses.AF assist lampTTL modeMore approach natural light use high quality LED lightIt is meets the higher photograph needs under the innovation functionLeft and right flash function make the object appeared third dimensionFit for macro shot, scientific research, medical and personal hobbies of photographyInclude 7 adapters(52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm) for different size lensesVarious flash functionsSuitable for macro shooting, portrait shooting, jewelry shooting, oral medicine shooting and so on.Main FunctionsTTL/ Lamp A flashing/ Lamp B flashing/ TTL mode/ AB Lamp brightness ratio mode/ Manual mode/ MultiMacro dedicated flash, support E-TTLII/ E-TTL/TTLSpecifications:Weight: 398g¨Ring flash onlySize: 191X77X60mmPower supply: 4 AA alkaline batteries or AA NI-MH batteriesGudie NO: 14Flash mode: TTL/Lamp A flash/Lamp B flash /AB Lamp flash ratio mode/ Manual outputrepeating flash/Flash times: 100-800 times(under AA alkaline battery)Recycle time: about three seconds(under AA alkaline battery)Color temperature: 5500KFlash duration: 1/200-1/20000secondsLight induction distance: Indoor 15 meters, 10 meters outsideFLASH COMPATIBLE ON CAMERASAll Canon DSLR Cameras, Such as 5D Mark II/7D/60D/600D/550D/500D/1000D/1100D/5D/50D/40D/450D/600D/650D/ 5D Mark III etc.Package includes:Macro Ring flash(1)protecting bag(1)pedestal(1)specification(1)warranty card(1)adapter ring(7)