The 35mm also has rather odd swirly bokeh at wider ... However, there is plenty of potential for using the lens for stills photography as well, and the results are excellent.
Distortion measures at -1.32% barrel, a good result for a 35mm lens. Further correction can be undertaken in software if required, although this is unlikely to be needed in most images.
Lens Construction 12 elements in 9 groups, including 1 UHR (Ultra-High Refractive Index), 1 ED and 3 aspherical elements; Fluorine coating on front element.