Does not need to shy away from a comparison

After I tried some WW lenses in div. Markets, I was totally disappointed. 3x Canon 10-22, 3x Sigma and Tokina have a screwed on my 600D. The results were sobering. The first Sigma was completely derailed. I (the seller too) suspect a fall damage because right blurred. The 2nd and 3rd were satisfactory. As the price of Sigma not really differs for Canon 10-22, I now wanted to try the Canon. So off to the nearest large town to try out the lenses there in 3 stores. From 3 "tested" Canon lenses was only one with a satisfactory sharpness. The results of the Tokina were similar the 2nd & 3rd Sigma. Pretty disappointed with the results, I ordered aufgrung many reports the Walimex.
what can I say!? Look and feel, I feel very good. The manual adjustment I had to get out quickly. A little tip for focusing: Setting Live View, at 10x magnification, Focusing, snap. The distance scale is not correct, at least in my lens. ZB Endless focus at 3 meters. For this can be at my lens sharp images make well below the stated Nahgrenze. To Focus: This is precisely what more disappointed me with the other lenses. And this is where the scores Walimex! Rattenscharfe pictures to how I find modereaten price. Since I'm going to use the lens almost exclusively for landscape and Panos, I can well do without the automatic. All in all I am very satisfied. An addendum is sure to follow as it is still very early for a final statement.