With the partial caveat regarding edge sharpness under some circumstances, overall the Fujifilm Fujinon XF 16-80mm f/4 R OIS WR lens put in a pretty sparkling performance. Above all, it has proved to be an incredibly useful range of focal lengths and I could easily imagine this lens staying firmly...
Very high central sharpness, Virtually zero CA, Superb flare resistance, Excellent handling, Quality manufacture, Low distortion, Low vignetting, Constant f/4 maximum aperture
Edge sharpness, Slightly indistinct aperture click stops