The Sto-Fen Omnibounce for 550EX is the Canon 550EX E-TTL Speedlite Flash version of the Sto-Fen Omni-Bounce. Please read the Sto-Fen Omni-Bounce for the Canon 580EX Review for information on this flash lighting aid.
The Sto-Fen Omnibounce for 550EX will also work on the Canon Speedlite 580EX Flash. It does not fit snugly, but will get the job done.
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