Feature: 1. COMPATIBILITY: The adapter enables for MD mount lens to be perfectly compatible with for NEX mount series camera systems, including for a9, a7R3, a7R2, a7M2, a7M3 and other models. 2. PREMIUM MATERIALS AND CRAFTSMANSHIP: It is made of aluminum alloy with anodic oxidation process, which has exquisite workmanship and is sturdy and abrasion resistant. 3. ACCURATE HOLE POSITION: The adapter bayonet fits perfectly with the camera and lens, combining tightly to ensure solid installation and easy and smooth disassembly. 4. FUNCTION: Supports full manual control, including manual focus, manual exposure and aperture priority. Coated with matte paint to reduce light reflection. It is also capable of infinity focusing. 5. PROFESSIONAL ADAPTER DEVICE: The adapter is a professional adapter device with rich features to meet the needs of professional photographers and provide them with more creative possibilities. Specification: Item Type: For MD To For NEX Lens Adapter Material: Aluminum Alloy Applicable Lens: For MD Mount Lens Applicable Body: For NEX Mount Body APS C Models: For a6500, a6300, a6000, a5100, a5000, a3000, QX1, NEX 7, NEX 6, NEX 5, NEX 5N, NEX 5R, NEX 5T, NEX 3, NEX C3, NEX F3, NEX 3N Full Frame Models: For a9, a7IlI, a7SIl, a7RII, a7II, a7S, a7R, a7 Cameras: For NEX VG30, NEX EA50, NEX VG900, NEX FS700, NEX FS100, NEX VG10, NEX VG20, FS5K. Package List: 1 x For MD To For NEX Lens Adapter1 x Lens Rear Cap Note: The adapter ring 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 contact with the camera body will be disrupted and need to be manually reset.