Feature: 1. With no electronic contacts on the adapter ring and does not support auto focusing. 2. High‑precision processing, the mount has good sealing, no light leakage, the lens and the mount are combined tightly and smoothly, and the installation and removal of the lens is convenient and smooth. 3. Electroplating mount, with good metal texture, increase aesthetics. 4. Using aviation aluminum alloy material, anodizing process, fine workmanship, durable. 5. Ergonomic non‑slip texture design, installation is not easy to slip. 6. High tenacity shrapnel, tightly installed, durable. Specification: Condition: 100% brand newItem type: Lens Adapter RingMaterial: Aviation aluminum alloyColor: As picture shownWeight: Approx. 88g Compatible Lens: for Leica M Mount Lens Compatible Camera: for Fuji GFX50S GFX50R Medium Format Mirrorless Camera. Package List: 1 x Adapter ring 1 x Adapter ring protection cover (installed)