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Canon Macro Ring Lite for Canon Digital SLR Cameras
Product Description A Macro Ring Light that ensures correct exposure for extreme close-ups; Twin tubes fire together or independently. Amazon.com Canon's Macro Ring Lite for close-up and macro shooting comes equipped with many features and capabilities. Utilizing E-TTL (enhanced through- the-lens mode) technology, it takes full advantage of the flash performance of the Canon EOS-3, and other E-TTL cameras, and also supports E-TTL wireless auto flash, when used with at least one Canon 550EX Speedlite flash. The circular twin flash tubes of the can fire at even power, or vary between themselves over a six-stop range. The controller unit has an illuminated LCD panel, and the also accepts optional high-capacity battery packs.

Price is $340.00
Price: $339.89