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Title: Definately a great value for the buck!
Review: I finally replaced my 18-55 nikkor lens that came with my D50 with this Sigma 18-200 lens. I took it out for the first time and shot my son's marathon run. Having more zoom option really makes the difference. I was planning on saving money for the nikkor os version, but I thought I'd give this a try first. I'm glad I did and saved me at least $450. I'm only giving 4 stars since Cameta was 2 days late in delivery and the box that came with could have used more bubble wraps. There was only one layer and the item was rolling inside the box. Thankfully, no damage, but I'm keeping my fingers crossed.The lens don't have a problem auto focusing with my Nikon D50.When you have it at 18mm, it does creep out when tilted down. It's the same when you are zoomed out to 200mm and pointed up. Holding the lens while taking the photo seems to fix that though, so I don't have a problem with it.
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