Fotodiox NikG-SnyE-DLX-Stretch DLX Stretch Lens Mount Adapter Compatible with Nikon F-mount G-Type Lenses to Sony E-mount Cameras

The item I received was defective, but Fotodiox replaced it immediately without issue.

Works great and is quite useful. I've used a lot of adapters and this one is the one that's staying on my camera. The macro/extender function works well and turns just about any lens into a close-focus lens if needed. It works especially well with the Rokinon 85mm 1.4, which as a portrait lens does not quite focus close enough for head shots without this adapter.The only downsides are that it's quite heavy and the aperture control moves easily, running the risk that it could close down the aperture accidentally if bumped.