The 70-200 and the various 80-200 are very good lenses indeed. Extremely useful, reall, really good image quality. I sure love my AF-S 80-200, it is my most used lens counting numbers of shots.
But the 200/2.0 (which I frequently borrow from a collegue) is a whole lot better then any of those at 200mm and f2.8, not to mention at f2.0 ...

It focuses faster and gives more subject isolation (f2.0 is more then just a low light option)
I have used it for soccer, ice hockey, baseboll, crowd portraits, indoor events ... Everything but volleyboll it seems

It shines wherever it goes.
So lets keep our eyes on the ball ...
Subject isolation, soccer at close range, D200, 200 @ 2.0, 1/1600, iso 400
My only grief is the handling which at first felt awkward (compared to for example a 300/2.8), it is a short stubby lens and it is very easy to iterrupt AF by mistakenly turn the AF ring when following a fast moving subject.
Ken Rockwell seem to often throw ut opinions in seemingly random directions, some spot on, others just plain stupid.
I recommend reading better informed reviews like these instead:
http://www.naturfotograf.com/lens_short.html
from Kenrockwell.com
"""This beast was introduced in 2004. It is intended for
photographing indoor volleyball. It is very expensive and intended
when you absolutely need f/2.0, otherwise any Nikon 80-200 or 70-200
f/2.8 zoom gives the same results for a lot less money in a much
smaller and less package."""
Can someone who has used all of these confirm his findings "any Nikon
80-200 or 70-200 f/2.8 zoom gives the same results"
I actually looked into this lens for my D3. I was a bit taken back
by that review of his. I have not yet pulled the trigger. I haven't
seen any other reviews. If anyone has any, I'd love to read them if
you can link them here.
I know KR has his own opinions, but the guy does do test shoots. I
assume he failed to get sharper shots with the 200mm f/2. I just
find it hard to believe that the zooms could be as good as this lens.
--
Michael James - DigitalCoastImage.com (Hi-Def Video and Photography)
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I don't suffer from insanity, I enjoy every moment of it!