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Amazon.com : Fotodiox Lens Mount Adapter Compatible with M39/L39 Screw Mount SLR Lens to Canon EOS (EF, EF-S) Mount D/SLR Camera Body - with Gen10 Focus Confirmation Chip : Electronics
Amazon.com : Fotodiox Lens Mount Adapter Compatible with M39 / L39 Russian and Leica Screw Mount Lenses to Sony E-Mount Cameras : Electronics
Professional Leica L39 Screw (LTM) to Fujifilm X Lens Mount Adapter. Fuji M39 | eBay