Features: This is the newest adapter for Leica M39 mount lens to NEX mount camera. This adapter has a lock pin and allows focus to infinity. You must turn on the 'shoot without lens' setting on your NEX camera to use the adapter. You can use the MF assist function for accurate focusing (7x or 14x zoom for focus). Lens mount adapter only; other accessories shown in the picture are not included. SUITABLE FOR: NEX-F3, NEX-N3, NEX-3, NEX-C3, NEX-5, NEX-5D, NEX-5C, NEX-5R, NEX-5N, NEX-5A, NEX-5K, NEX-5T, NEX-6, NEX-7, A5000, A5100, A6000, A7, A7R, A7S Specification: Item Name: Lens Mount Adapter Material: Aluminium Alloy Shape: Round Type: Adapter Camera/Camcorder Fitting: for NEX Lens Fitting: for Leica M39 Mount Lens Outer Diameter: 5.5 cm / 2.17 in Inner Diameter: 4 cm / 1.57 in Color: Black + Silver Quantity: 1 Piece Note: 1. Please allow 1-3 cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. 2. Due to differences between monitor displays, the image may not reflect the actual color of the item. Package Includes: 1 x Lens Mount Adapter (without retail packaging)