A:AnswerYes you can. You can use almost any lens Nikon has made over the last, I don't know maybe 35-40 years. I have a Nikkor 500 f/8 mirror lens and a Sigma 16mm full frame fisheye lens. Both are totally manual focus, no electrical connection to the camera body at all. They both fit and work just fine.
A:AnswerYes, I think it does. Works great just like the D7000 just more added. It is an Awesome camera, I now have both. Love the weight, and duel SD slot. If you take in RAW it is the top of the line in my book. Don't have to seperate your files, time saving.