Fotga Adapter Ring for M42 Lens to Micro 4/3 Mount Camera Olympus DSLR Camera - Walmart.com
Amazon.com : K&F Concept Lens Mount Adapter Compatible for Leica M42 Screw Mount Lens to M4/3 M43 Micro Four Thirds Mount Camera with Matting Varnish : Electronics
K&F Concept M10121 M42 Lenses to M43 MFT Lens Mount Adapter - KENTFAITH