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Amazon.com : Opteka T-Mount (T2) Adapter Compatible with Canon EF EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5Ds, T7i, T7s, T6s, T6i, T6, T5i, T5, T4i, T3i, T3, T2i,
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Amazon.com : Solomark T T2 Ring for Canon EOS Camera Lens Adapter with 1.25inch Telescope Mount Adapter : Electronics
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Amazon.com : Opteka T-Mount (T2) Adapter Compatible with Sony A-Mount Alpha A99, A77, A68, A65, A58, A57, A55, A37, A35, A33, A900, A850, A700, A580, A560, A550, A500, A390, A350, A230, A200,
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Opteka T-Mount (T2) Adapter for Nikon D5, D4, D3, D810, D800, D750, D500, D610, D600, D300, D7500, D7200, D7100, D5600, D5500, D5300, D5200, D5100, D3400, D3300, D3200 and D3100 Digital SLR Cameras -
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