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Urth Manual Lens Mount Adapter for M42 Universal ULMA-M42-M4/3
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FotodioX Mount Adapter for M42 Lens to Micro Four Thirds M42-MFT
M42-M4/3
K&F Concept M10121 M42 Lenses to M43 MFT Lens Mount Adapter - KENTFAITH
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M42 lens to Micro 4/3 adapter - SovietCameraStore.com
M42 Screw Mount SLR Lens to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body Adapter – Fotodiox, Inc. USA