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Amazon.com : Fotodiox Lens Mount Adapter, M39 to M42 (39mm - 42mm Thread) Adapter for Leica, Canon, Nikon, Carl Zeiss, Pentax, Leica : Camera Lens Adapters : Electronics
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Adapters for connecting M39 & M42 lenses to a Micro 4/3 camera: Adapted Lens Talk Forum: Digital Photography Review
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