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Amazon.com : SMDV Hot Shoe Safe Sync Adapter SM-512 for Canon EOS Digital Rebel T3i, T5i, T4i, 10D, 20D, 30D, 40D, 50D, 60D, 70D, 5D, 5D Mark II, III, 7D, 1D, 1Ds,
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Fotodiox SMDV Hot Shoe Safe Sync Adapter SM-512 for Nikon D40, D40x, D50, D60, D70, D70s, D80, D90, D100, D200, D300, D300s, D700, D800, D800e, D1, D2, D3, D3x, D3s, D4, D3000,
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