Samyang Fisheye 1: 3.5 / 8mm CS II UMC for Canon EOS models such as 1D, 5D (MK II / III), 6D, EOS 7D, 20D, 30D, 40D, 50D, 60D, 300D, 350D, 400D, 450D, 500D, 550D, 600D, 650D, 1000D, 1100D (Electronics)
For the price you can be really happy. Of course you should not operate the lens fully open, because this sharpness drops sharply. Chromatic aberration, however, is quite well available on PC slightly out attribute. The only thing that really bothers