yongnuo yn-14ex ttl macro ring lite flash light for canon eos dlsr camera yongnuo specification: <br/> yn-14ex can automatically save your current operating settings to convenient your next use. <br/> <br/> specification macro ring flash yn-14ex <br/> circuit design insulated gate bipolar transistor <br/> type automatic annular flash for macro shots <br/> guide no. 14 ( iso100, 105mm ) <br/> flash coverage vertical rotation angle about 80 degree / horizontal rotation angle about 80 degree <br/> flash mode ttl, m <br/> lighting times 200-2500times <br/> color temperature 5600k <br/> external interface shoe, pc port and external charging port <br/> flash ratio control with the precision of 1/2 ev within the range of 8:1 - 1:1 - 1:8 <br/> power supply 4 aa alkaline battery or aa nichelmetal hydride battery ( ni-mh ) <br/> recycle time approx 3s <br/> flash control 7 levels of output control ( 1/64 - 1/1 ), 19 levels of fine tuning <br/> flash unit dimension 135 * 123 * 26mm <br/> control unite dimension 153 * 74 * 56mm <br/> net weight 420g <br/> <br/> <br/> package contents: <br/> <br/> 1 x yongnuo yn-14ex macro ring lite flash light <br/> 4 x adapter rings ( 52mm, 58mm, 67mm, 72mm ) <br/> 1 x protection bag <br/> 1 x manual in english and chinese <br/>