1、Made of high quality aluminum alloy material for excellent maneuverability and durability. 2、Support for Nikon AI mount lens to fit for Sony NEX mount camera body. 3、Completely manual control, supports manual focus and manual exposure. Allow focusing to infinity, aperture priority. 4、Smooth surface, easy to install, exquisite workmanship, ensures firm connection between lens and camera body. 5、Finish coating treatment at inner wall to avoid reflection to CMOS and affect the imaging. Features: 1. Made of high quality aluminum alloy material for excellent maneuverability and durability. 2. Support for Nikon AI mount lens to fit for Sony NEX mount camera body. 3. Completely manual control, supports manual focus and manual exposure. Allow focusing to infinity, aperture priority. 4. Smooth surface, easy to install, exquisite workmanship, ensures firm connection between lens and camera body. 5. Finish coating treatment at inner wall to avoid reflection to CMOS and affect the imaging. Specification: Model: Adapter Ring Material: Aluminum Alloy Color: Black Compatible Lens: for Nikon AI Mount Lens Compatible Camera: for Sony NEX Mount Camera (for Sony A5000 NEX7 A7R Camera) Size: Approx. 6.5x6x3.4 cm/ 2.56x2.36x1.34 inch Weight: Approx. 79 g Packing List: 1 x Lens Adapter Ring Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.