Yongnuo YN-622C-TX E-TTL Flash Trigger for Canon 500D 550D 600D 650D 700D 1000D 1100D 50D 60D 70D 1D 1D2 1D3 1D4 1Ds 1Ds2 1Ds3 1DX 1DC 5D 5D2 5D3 6D 7D flash unit: Canon 580EX 580EXII 600EX, YongNuo 565EX 565EXII 568EX 568EXII with Tarion ® diffuser (Electronics)
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