Konica Hexanon AR lenses are hidden gems. Last summer I stumbled upon a nice Konica Autoreflex T3 set with a Hexanon 50mm/1.7 and a 28mm/3.5 lens. I don't like the T3 body that much but those Hexanon lenses are fantastic. It's a shame you cannot use Hexanon AR lenses with any other film camera.