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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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1.25 " to T2 (M42x0.75) Telescope Adapter Tube+Camera T2 Adapter Ring for Canon EF / Sony A / Nikon F / Pentax K mount cameras - AliExpress
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APM Telescopes. TS-Optics Optics Adapter for Canon EOS Lenses to T2 for CCD cameras - with 1/4" photo thread
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