I have for long stayed away from 50mm-ish lenses, considered them useful, relatively low cost, high speed (I also have a 1.4/50 Ai manual, and had a 1.8/50mm AF copy) workhorses
Bread an butter lenses, but really not very useful for more 'artistic' pictures (I a.o.
Maybe no the sharpest wide open; but 'sharpness' isn't the only thing that counts/should count when looking at a picture (if so it would be much easier to take a great picture)
Beautiful image rendering; equally; if not more stunning 'bokeh
Expensive; and rumored to become even more so !
Feels very light; especially considering the size; but fortunately the built quality really is no issue when shooting with it out in the field (or on the beach