XPimage 0.71x Speedbooster for Mamiya 645 M645 Lens to Fuji GFX 100S2 50s Camera
1 x XPImage M645-GFX 0.71x locking Adapter (the Mamiya lens in picture is not included). The 0.71x optic adapter gets rid of crop factor, and increases the aperture. Lens: Mamiya 645 Mount Lens. It's a locking version adapter.