NEWYI M42 LM adapter for M42 Lens to Leica M LM camera M9 with TECHART LM EA7,M42 Lens Adapter Converter to L eica M Camera M24|Lens Adapter| - AliExpress
Amazon.com : K&F Concept M42 Screw Mount Lens to Nikon 1 Mount Camera Adapter Ring for V-1 J-1 V1 J1 J5,M42 Mount Lens : Electronics
Amazon.com : K&F Concept M42 Screw Mount Lens to Nikon 1 Mount Camera Adapter Ring for V-1 J-1 V1 J1 J5,M42 Mount Lens : Electronics