Feature: 1. Wide Compatibility: Lens mount adapter compatible for EF mount lens, for Leica M3, M2, M1, M4, M5, CL, M6, MP, M7, M8, M9, M10, M11, M D, M P, for Konica Hexar RF, for R D1. 2. Autofocus Conversion: Lens mount adapter can be connected for LM EA7 autofocus adapter ring to transform manual lenses into autofocus capabilities. 3. Durable: Lens mount adapter is made of aluminum alloy material, and surface anodized treatment for enhanced durability and stability. 4. Rich Functionality: Supports full manual control, including manual focus, manual exposure, aperture priority, and matte black coating. Allows for infinite focus, serving as a professional adapter for photography enthusiasts. 5. Easy Installation: Smooth surface, making lens installation and removal easy and seamless. The adapter is finely crafted and securely fits the mount. Specification: Item Type: Lens Mount Adapter Material: Aluminum Alloy Weight: Approx. 84g / 3oz Compatible Lens: for EF Mount Lens Compatible Camera: for Leica M3, M2, M1, M4, M5, CL, M6, MP, M7, M8, M9, M10, M11, M D, M P, for Konica Hexar RF, for R D1. Package List: 1 x Lens Mount Adapter Note: The adapter ring is a manual adapter and does not have electronic contacts. After installation, it will lose the function of providing power to the lens, so features that rely on the lens communicating electronically with the camera body (such as autofocus, AE metering, image stabilization, etc.) will be disrupted. Manual reconfiguration is required.