Macrolite Ring MR-14EX

Macro Ring lite with 2 circular flash tubes which can fire at even or varied power
E-TTL autoflash control including high speed FP Flash, FE lock, FEB and flash ratio control
Operates as a master unit in a wireless E-TTL autoflash system
Ideal for macro photography it attaches to the EF 100mm F2.8 Macro USM, EF 50mm f2.5 compact macro and also the EF 180mm f3.5L Macro USM (with adapter ring 72C)

MACRO RING LIGHT 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.