Summary: I bought this lens to act as my walk around lens. I use a D7100 and this is somewhat equivalent to a 50mm on a full frame sensor, which is what I was aiming for. F2.8 is good enough for me. P.S. I also bought this lens along with others to get rid of zoom lenses. I have a 14mm, 28mm, 50mm and 100mm. Works great.
Summary: I bought my 28mm F2.8 lens second hand for about 120 dollars and it came looking brand new with a filter! I used it on my (second hand) D700. When my daughter was born, I was allowed to take my camera in the delivery room and I had to take one lens with me. I chose the 28mm f2.8, that says it all! My other lenses were the 50mm f1.4G, 20mm f2.8 and 24mm f2.8. So why the 28mm?
Summary: I bought this for macro. It is not a macro lens, but with extension tubes, a ring flash, and if you like reversal rings you can get some great objects. Seriously awsome. As a 28, also brilliant. Small, sharp, and another great Nikon product. Perhaps a bit more than other brands but not sure I would walk that way. Get Nikon for Nikon. A good team.
Summary: I bought this lens to serve as a fast wide angle on FX and a wide/normal on DX. This is actually the second copy that I have owned and body have been excellent performers for my. I am a fan of the Nikon af-d primes because they are cheap and compact with outstanding optics. I own the 20 f/2.8, 24 f/2.8, 28 f/2.8, 35 f/2, 50 f/1.4 and all are awesome, especially for the money.