CAM-ULATA Camera Macro Mount Adapter Converter Ring with Lens Rear Cap for Leica M to Sony NEX E Mount Alpha Camera NEX3 NEX5 NEX-5N 5R 5T NEX7 A7 A7R A6300 A6000 A5100 Made of high quality aviation aluminum, solid and durable, fashion design. Sophisticated Technique, high-precision, focus fastly and accurately. Professional lens adapter, allows different lenses to be used on different camera body, greatly increase the resource of lens and bring exciting photography experience. Manual focus, support infinity focus, no vignetting. Manufacturer Warranty for 2 years.