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Amazon.com : Fotasy Adjustable M42 Lens to Cannon EF-M Mount Adapter, M42 EFM, M42 EOS M Adapter, Compatible with Canon EF M Mount Mirrorless Cameras EOS M M1 M2 M3 M5 M6
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Amazon.com : M42 to EOS, K&F Lens Mount Adapter for M42 Mount Lens to EF EF-S Mount DSLR Camera, Compatible for 1300D 200D 750D 80D 800D 7D 6D 5D 77D 1200D 600D
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M42 Lens Adapter Ring,Focus Lens Converter,for DSLR EF 5DIII 5DII 5D 6D 7D 60D Mount Lens,for M42 Mount
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Amazon.com : Fotodiox Lens Mount Adapter - Compatible with Black M42 (42mm x1 Thread Mount) Lens to Canon EOS (EF, EF-S) Mount D/SLR Cameras : Camera Lens Adapters : Electronics
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