Evenly illuminate close subjects with soft, flattering light from the YN-14EX-C Macro Ring Lite from Yongnuo. This model is compatible with Canon cameras featuring E-TTL / E-TTL II metering for automatically setting accurate exposures and it has a guide number of 45.9? at ISO 100 for good light output. The twin-tube design also allows users to set each side to different power ratios, enabling higher contrast lighting when desired. And, it has LED lamps for AF assist in low light.