I've been considering this lens for a while and decided to buy it especially for a vacation to Italy. Beautiful glass, both for building and landscape photography (if you hold the object in the middle, there is almost no distortion). The lens is rather light, which makes it a valuable traveling companion. I don't think the inadequacies are caused by the absence of autofocus, tk. With this focal length, you don't have to worry about focusing too much; just set it to infinity and shoot. Everything you require is included in the frame because of the wide viewpoint.
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