runlong

有这么一段话，难道是我理解错了？？

Nikon 80-200mm f2.8 EDAF (non-D) Lens This old buzzard is one awesome lens.
I used to own the non-D version, which I used for many years. It was great,
but the lack of a tripod collar tore the hell out of the bayonet on my F4.
After 10 years, the idiots at Nikon finally realized it needed a tripod
collar, so they added one. Supposedly, they didn t change the optics, but
you d never prove that by me. The new D version sucks. The old one was the
sharpest zoom lens I ve ever used. It outperformed most Nikon primes in its
range except the 85/1.4 & 180/2.8. Better than 60 percent of my shots were
taken with this lens. Like an idiot, I thought the new version would be just
as good, but I should have known nothing Nikon makes today is worth owning.

Nikon 80-200mm f2.8 EDAF-D (w/ collar) Lens This lens has problems. As a 10
year owner of the old AF version, I thought there would be no difference.
Boy was I ever wrong. The newer one is mechanically nice, and the tripod
collar works quite well. The big problem is sharpness. This lens really
sucks when wide open at the 200mm end. Everything is soft and fuzzy. I have
no idea why this is, but I do know my old version was tack sharp wide open
at all focal lengths. Leave it to Nikon to screw up a good thing. I m not
the only one who has noticed this either.

Nikon 80-200mm f2.8 AF-S (w/ collar) Lens This lens is even worse than the
35-70/2.8 I bitch about above. Although I was never stupid enough to buy
one, one of my most trusted friends (a pro) did. He got so pissed off over
the poor performance of this lens that he bailed on Nikon and switched to
Canon. The main problem with this lens is vignetting. He showed me his
results and let me play with this lens. Here s an experiment for you: take
this lens, open it up to f2.8, point it straight up into the blue sky and
take a shot. When the slide comes back, you ll see terrible fall-off in the
corners (they re at least a full stop darker than the rest), and a huge
white donut in the center (probably 2 stops lighter than the rest). What the
hell is Nikon doing? They had a great thing with the oldest 80-200/2.8 AF
lens. Can they do nothing right these days?