Shelf bracket -Lens mount adapter ring Highlights generic brand Lens mount adapter ring Full metal, excellent operability and durability. High precision adapter ring, precision manufacturing. Full manual control to focus, adjust aperture. Available for manual exposure mode, AV mode and fucus infinity mode. Suitable for Sony E-Mount SLR cameras, such as NEX-F3, NEX-3, NEX-3N, NEX-C3, NEX-5, NEX-5C, NEX-5D, NEX-5N, NEX-5A, NEX- 5K, NEX-5T, NEX-5R, NEX-6, NEX-7, A7, A7R, A5000 and A6000 A6500 A6300. Specification: Material: Aluminum Alloy Size: 6.51.4cm/2.550.55" Applicable Lens: For Leica M Lenses Applicable Body: For Sony SLR Cameras Instructions for Using the adapter ring: Start by setting in the camera menu: enable No lens release shutter or No lens release shutter to use the adapter ring . Second, use LCD to focus, both for manual focus. Package includes: 1 Piece LM to NEX Lens Adapter Note: Please allow slight error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for your understanding and attention.