Tokina 12

Already very good resolution in the center at full aperture ; Good resolution in the corners at f/8.0 ; Fast autofocus ; Low distortion at 18 mm and 24 mm ; Low vignetting except for 12 mm/4.0

High distortion at 12mm ; High vignetting at 12 mm/4.0 ; Less attractive bokeh ; High CA

There's a reason the Tokina 12-24 mm 4.0 DX II is a success. The sharpness is high, the distortion at 18 mm and 24 mm is low, and only at 12 mm/4.0 is the vignetting high. The lens feels solid and the autofocus works well. With the right software, the...