Description With this new advanced lens adapter, you can mount one type of lens on other type of camera body. Lens fit for M39/L39 lens, camera fits for Sony NEX camera body. Features: All metal material makes it more solid and durable. Manual control, manual focusing. With this new advanced lens adapter, you can mount one type of lens on other type of camera body. Lens fit for M39/L39 lens, camera fits for Sony NEX camera body. This fabulous adapter can enable the camera owners to adjust the cameras' magnification and working distance. It greatly enlarges the lens resources, brings a lot of filming fun. Specifications: Condition: 100% Brand New and High Quality Type: M39/L39-NEX Material: Full Metal Diameter: Approx. 6cm / 2.3inch Height: Approx. 1.5cm / 0.6inch Fit Lens: for L39/M39 Lens Fit Camera: for Sony NEX Camera Weight: Approx. 41g Packing List: 1 x Lens Adapter Note: When using the transfer ring for the first time, please open the 'shooting without lens' option in the menu, otherwise it will not be recognized.