For many years I shot good family and indoor crowd photos with my Canon FD 17/4. Recently I switched to the Sony 16-35/4, anticipating the same low distortion for off-centre face shots. I am disappointed, the Canon lens was better in that (even after Dxoing the Sony). So I am just saying: Whatever you rent, try it out on people first and in case of a zoom, check for the widest enjoyable setting. I also noticed that an EVF reaches its resolution limit for judging focus in UWA corners and wildly swinging the camera for a focus-hold irritates people.