NF-NEX adapter ring is used for Nikon F mount lens to Sony E mount camera, such as A7/A7R/NEX-5/NEX-3/NEX-5N/NEX-C3/NEX-5R/NEX-F3 etc. 8-stops exact aperture dial, manual focus, and CNC metal mount, really a good partner for photography lovers.   Features: Widely used for Nikon G/F/AI/S/D type lens to Sony E mount camera.  Manual focus, can reach infinity focus.  8-stop exact aperture dial, excellent and smooth surface.  CNC metal mount, easy to install and use.  1/4" screw hole at the bottom, easy to attach it to tripod.  The mount plate is detachable, easy to used with telephoto lens.   Specifications: Model: NF-NEX;  Main Material: Aluminum;  Compatible Lens: for Nikon F series lens(G/F/AI/S/D);  Compatible Camera: for Sony E mount camera, such as for A7/A7R/NEX-5/NEX-3/NEX-5N/NEX-C3/NEX-5R/NEX-F3 etc;  Item Size: 6.5 * 6.5 * 8cm / 2.6 * 2.6 * 3.1in;  Item Weight: 165g / 5.9oz;  Package Size: 10.3 * 9.3 * 6cm / 4.1 * 3.7 * 2.4in;  Package Weight: 204g / 7.2oz;   Note: This is a manual focus adapter ring.  Support M and aperture priority mode, not support shutter priority mode.  The camera and lens showed in the pictures are not included.   Package List: 1 * Adapter Ring