Details
Foto4easy Lens Adapter Ring for Mamiya 645 M645 Mount Lens to Sony E Mount A6000 A7 A7R A7S A7M2 A7R2 NEX-5R NEX-3 NEX-5N NEX-5C Digital SLR Camera

Solid full metal mount lens adapter allows Mamiya 645 M645 lens to fit on Sony E mount Camera body.
Supports AV / M mode. There is no electronic element in the adapter, aperture and focusing must be manually control.
Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments required.
Please note : If your camera indicated "lens is not properly installed", please modify the camera menu settings.Usually called the release the shutter the lens is not installed", you can modify the settings to allow. Specifically refer to the camera manual.
Designed to reach infinity focus while maintaining the correct registration distance required to support CRC lenses or lenses with floating elements.