I didn't say "modern sensibilities." I'd have been a little daft since of course any movie no matter how true to any version of the myth will have modern sensibilities. It's a movie after all, and it's made in modern times. Even Shakespeare adaptations have modern sensibilities. Now, Arthur...
The director of Excalibur envisioned the setting not as historical England at all, but as a mythological land. Sort of a fairy tale land, though obviously a very dark one. It's one reason that location is never mentioned in the movie at all. As such the armor is no longer anachronistic just as...
I'd give another vote for Excalibur. I have a fondness for the film. I don't even criticize the anachronistic armor anymore. Certainly the film has its moments of glory. Though I don't know if Camelot is so terrible as to not even rent. Yeah, I remember it being pretty mediocre, but I don't...