Macro Ring Lite for close-up photography
Macro Ring Lite for close-up and macro photography and is loaded with features. With Canon's E-TTL, it takes full advantage of the flash performance of the EOS-1v, EOS-3, and other E-TTL cameras. Circular twin flash tubes can fire at even power, or varied between them over a six-stop range, and one or more 550EX Speedlites can be used as wireless slaves along with the MR-14EX. The controller unit now has an illuminated full-info LCD panel and its accepts optional hi-capacity battery packs.