I have only used it for three weeks in the Northwest where the sun rarely comes out, so slow shutter and higher ISO was required. Hand held the IS really worked well. I also have a 35mm f1.4 that I use with my X-E2, so comparing edge sharpness should have been distingtly better with the 35mm, but it...
Consistent Output; Easily Interchangeable; Fast / accurate auto-focus; Lightweight; Nice Bokeh