Features- Twin-tube ring lite designed for close-up photography with EF Macro lenses; Flash tubes can fire together or independently.
Compatible with all EOS bodies.
Supports E-TTL Wireless Autoflash in conjunction with one or more 550EXs.
Incandescent focusing lamps and two forms of modelling flash permit preview of lighting effects.
Illuminated LCD panel for easy flash settings in any lighting condition.
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