LENS ADAPTERS M42-NEX IV PRO Camera Mount Adapter - K&F Concept
KENKO - Bague d'adaptation pour optiques en monture M42 vers Sony E-mount.
Neewer M42 Lens Mount Adapter for Sony NEX E-Mount Camera - Ariston BTS
Mitakon Zhongyi M42 Lens to Sony E-Mount Camera Lens
Amazon.com : Fotasy Copper Adjustable M42 Lens to E Mount Adapter, 42mm Screw Mount to E Mount, Compatible with Sony a7 a7R a7s II III IV a9 a7c Alpha 1 a6600 a6500