Super slim M42 screw mount lens to Olympus Panasonic Micro 4/3 mount adapter - for macro helicoid extension ring - OM-D E-M5 II OM-1 GH5

Roxsen Global

5mm thickness, designed for M42 extension rings and helicoid rings (sold separately). Also used for modification of camera mounts. For using Olympus / Panasonic Micro Four Thirds M4/3 mount mirrorless digital cameras with M42 (42mm x 1.0) screw mount helicoid rings. Switching on "Release shutter without lens" in custom menu may be needed on several cameras, then switching shooting mode to M (manual) is recommended.