This Canon Macro Ring Lite MR-14EX Flash for close-up and macro shooting is loaded with features and capabilities. With Canon's E-TTL II, it takes full advantage of the flash performance of the EOS DSLRs. Circular twin flash tubes can fire at even power, or varied between them over a six-stop range, and one or more 580EX II/430EX Speedlites can be used as wireless slaves along with the MR-14EX. The controller unit has an illuminated full-info LCD panel and its accepts optional hi-capacity battery packs.
Read moreCanon Macro Ring Lite MR-14EX Flash User's Manual Guide (Owners Instruction)