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Amazon.com : Neewer Aluminum Alloy Lens Mount Adapter for M42 Lens to Canon EOS Camera, Such as 1d/1ds, Mark II, III, 5D, Rebel xt, xti, T2i, and More - Black : Electronics
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K&F Concept KF M10135 high-precision lens adapter ring, coated with matt paint, secondary oxidation orange, M42-EOS PRO
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