yes,, I have traveled with the 18x200 on trips, and taken some nice pictures, This is one of those lens that suffered from too much early success and enthusiam, when it first came out, it could do no wrong, some called the wonder lens,, and the praise was too high.
Then others began to knock it,, soft in corners, distortion, etc, and now,, almost like it is now on the lower rung of lens.
but,, the lens works fairly well, super convenient, and capable lens. Is it as sharp as a prime,, no, a pro zoom, no, or a zoom with less range, no..
but,, on those trips/days, that you want a single lens,,, sweet. Here is one I took with the 18x200 with my D300. I think the details are plenty fine.
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