Last Saturday, visited several countries and was hoisted on six or seven "carces", I don' glad he' I took 35/2 IS from Canon, there are no problems with misses and slow focusing, and the image no longer needs to be constantly cropped (for the last six months I have been using the lens at full frame, since the EF mount is here, uncorrectable distortion and terrible soap at the edges, but it was not necessary to ate the optics park and the picture was good) the 35/2 IS cost over $40K, and this Sigma managed to it for $26 (and get in trouble) firstly, F-stop and T-stop are different things; 35/2 has a fair T/2, while Sigma has a T/1.6 (according to DXO) only 1/3 stop of the difference with fifty dollars and 2/3 - c 35/2 all these rents of the docking station (and then buying it), changing carces (with the hope that everything will work on this one! ) And attempts to repair the AF system in the camera resulted in such additional expenses for me that I could very well afford 35 / 1.4 recommend you take it.
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