Feature:1. For Mamiya M645 lens can be mounted on for Fujifilm GFX mount camera through the M645GFX adapter ring.2. Made of highquality alloy, sturdy and durable, the surface is painted to prevent oxidation and corrosion, and feel comfortable.3. Precise and accurate processing, strict fit between lens and camera and no light leakage.4. The inner wall is treated with extinction to avoid the influence of reflected light on imaging.5. Compatible for Fujifilm GFX 50S/GFX50R/GFX 100/GFX 100S and etc, a good replacement.Specification:Item Type: M645GFX Lens AdaptorMaterial: AlloyColor: BlackWeight: Approx. 168.0g/5.9ozType: Full Manual Adapter RingCompatible Lens: Mamiya M645 LensCompatible Camera: for Fujifilm GFX Mount Camera , for Fujifilm GFX 50S/GFX50R/GFX 100/GFX 100S and etc.Package List:1 x M645GFX Lens Adaptor