The Sony FE 50mm f1.4 ZA is a very respectable large aperture standard prime lens for Sony's mirrorless bodies. It's very sharp in the center and produces one of the best full-frame corners I've seen. Plus its resistance against flare and glare in adverse contra-light situations is commendable.
Very good resolution and contrast; No coma; Only little longitudinal CA; Very good resistance against flare; glare; and ghosting; Minimal distortions (through lens profile); Weather sealing; De-clickable aperture ring
Visible focus-breathing; Bokeh could be a bit smoother; Large and heavy lens