Like a true 'character' lens, there's some imperfections in the rendering....as in the really hard OOF bokeh balls, OOF CA, and nervous rendering of distant OOF details.
I love the 'classical' rendering of this lens for documentary photos as that's more artistic in nature...for more critical type photos I think technically better lenses with a cleaner, more modern rendering like the GM lenses are or the 35 1.4ZA are better suited.
When I see an image like this I really don't notice or care about the 'flaws'. Just a killer shot and she is working the photographer!
Now about that shepherd's hook being as big as she is! I hope it wasn't heavy.