Features:
With this adapter, you can mount for Mamiya 645 Lens on for Canon EOS EF EF-S cameras.
Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. Only manual model will be available.
Infinity focus is guaranteed.
Hardware metal bayonet, fixed with the camera, durable,Fine finishing! Install, remove and operate lens smoothly!
No complicated work required. you can install it between camera and lens without any tools.
There is no ROM connection on the adapter.
Diaphragm control of the lens is set manually.
Please installing / uninstalling the adapter after turning off the camera.

Specifications:
Material: aluminium and brass.
Suitable Lens: for Mamiya 645 lens
Cameras: for Canon 100D/200D/200D II/350D/450D/500D/600D/650D/700D/750D/760D/800D/850D/1000D/1100D/1200D/1300D/1500D/10D/20D/30D/40D/50D/60D/70D/80D/90D/1D/1Ds/1Ds/1Dx III/5D/5D II/5D III/5D IV/5DS/5DS R/6D/6D II/7D/7D II

Package include:
1 x Lens adapter

Settings:
1. Put red marks of the adapter and lens collar together.
2. Turn the adapter anticlockwise till the fixative click.
3. Mostly it will be used Manual or AV mode.