The Nikon version of this lens uses an E diaphragm. I have read the Ken Rockwell review of this lens, and he does not mention that it uses AFS protocol focusing, so my understanding is that this lens requires an in-camera body focusing motor, which would make it a very bad choice for your Nikon D5200. I am not sure of this, and I found the Ken Rockwell a review to be very poorly written with regard to the focusing protocol used by this lens. If you have a camera that has an in-body focusing motor then this lens would be capable of auto focus operation. But since you have a Nikon D5200, I do not think this lens would be a good choice for your camera.