Feature: 1. Compatibility: The lens adapter allows for Nikon AI mount lenses to be compatible with for Leica M mount camera systems, including models such as for M3, M2, M1, M4, M5, CL, M6, MP, M7, M8, M9, M10, M11, M D, M P, for Hexar RF and for R D1. 2. Aluminum Alloy Material: Made with aluminum alloy material and featuring an anodized oxidation process, this lens adapter showcases meticulous workmanship, ensuring durability and great wear proof performance. 3. Rich Functionality: This adapter ring supports full manual control, including manual focus and exposure, aperture priority, and features a light absorbing coating. It allows for unlimited focus, can connect the LM EA7 autofocus ring to turn manual lenses into autofocus. 4. Precise Fitting: The adapter snugly fits the camera and lens, ensuring a tight and secure connection, while also allowing for convenient and quick installation and removal. 5. Light and Portable: This lens mount adapter is small and lightweight, which can easily fit in your bag or pocket, making it a professional adapter choice for photography enthusiasts. Specification: Item Type: Camera Lens Adapter Material: Aluminum Alloy Weight: Approx. 84g/3.0oz Support Lens: for Nikon AI Mount Lens Compatible Camera: for Leica M3, M2, M1, M4, M5, CL, M6, MP, M7, M8, M9, M10, M11 M D M P, for Hexar RF, for R D1. Package List: 1 x Lens Adapter Note: The lens adapter is a manual adapter and is not equipped with electronic contacts. When installed, it loses the ability to supply power to the lens, so lens functions (autofocus, AE metering, image stabilization, etc.) that depend on electronic communicating with the camera body will be disrupted and need to be manually reset.