Even taking into account weak performance against bright light, the new Sony lens should be called outstanding. It provides a sensational image quality at every focal lenth and practically across the frame. All other optical aberrations are corrected in an exemplary manner.
solid, shapely, lightweight, and weather-sealed casing,, sensational image quality in the frame centre,, excellent image quality on the edge of the APS-C sensor,, very good image quality on the edge of full frame,, sensible correction of longitudinal chromatic aberration,, negligible lateral...
very weak performance against bright sources of light,, noticeable vignetting on full frame.