Reviews and Problems with Tamron SP AF180mm F/3.5 Di LD
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Painfully slow autofocus
Marc R. Feldesman ""photo and computer geek"", Amazon
13 June 2011
Summary: This is my first non-Nikon lens and I'm sorry I bought it. While the lens is OK, the focus mechanism is incredibly, painfully, agonizingly slow. The focus mechanism must make three full revolutions to go from closeup to infinity, stopping and stuttering all the way, and passing the focus point until...
Excerpt: I am an amateur photographer and have just started testing the lens both for extreme closeups of natural objects and some distance shots. I like the close-up results very much, but I find it is not as sharp as I'd like it to be on the long-distance photos, but it might be my lack of practice with a...