That string of alphabet soup means this: The best quality macro lens Nikon ever made. It's not a zoom lens, and frankly it's bloody hard to use, but wow. Wow, the quality is unbelievable. It's an incredibly expensive extravagance, but the results speak for themselves:
Click for a larger image.
I've been without a macro for almost two years and it's been KILLING me. Now, finally, I can take pictures of bugs again. The fly above is about 7mm long, but lookatim: wow! =D