Conclusion: The Canon EF 35mm f/2 may not be the most sexy lens around but its performance is generally very solid. The resolution is very high and evenly distributed across the image field even at max. aperture. The amount of vignetting leaves something to be desired at f/2 - 1.1 f-stops is too much for a full format lens within the tested APS-C scope. That said it's not an issue anymore from f/2.8 onwards.