I'm usually only in Niko house own lens area on the road, but given the much more expensive Nikon lens, which also offers less angle, albeit with constant light intensity, so I am yet decided, given the much lower price for the Sigma. Because of the price, but also due to the fact that I have in various photo forums have seen numerous photos that have been recorded with this photograph and have convinced me in terms of image quality.
Basically you have to keep in mind that this is a so-called super-wide angle zoom, which is of course just change it to in terms of Verzeichnug and vignetting much more difficult than a standard zoom lens or a "normal" wide angle zoom
Sigma 10-20mm Canon, without exceeding the cost of production.
The lens is in a well-padded quiver supplied with zip closure, consisting of a water-repellent material and is embedded in the base and lid foam so that the lens is held firmly. A Gegenlicht-/Sonnenblende is included as well as included warranty card and item description.