This adapter allows using M42x1 lenses on cameras/bellows with Mamiya 645 mount.
Infinity focus of the lens is impossible. This adapter is purposed for macrophotography only.
Additional front female M77x0.75 thread allows using extra accessories like a ring light.
- Front side - M42x1 female thread and M77x0.75 female thread
- Rear side - Mamiya 645 male bayonet mount
Machined of high quality aluminium alloy.