引用:
最初由 mysgi 发布
lymex：
我看了你贴的照片，不知你是如何扫描的，也许是底扫。如果扫的是照片，那么有没有可能是扩大器本身的镜头有问题？
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不是我的照片，也不是我扫的，具体参数不详，只知道是N家XGP拍的。
我这里有我刚买XGP时对白墙拍的照片，200/2.8的确暗角严重。
另外，转贴一个老外的评论：
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?