If it is an action fantasy movie I accept a few mistakes because it is fantasy any way so I overlook it but I do hate it when films don't pay attention to detail when it is supposed to be depicting a certain era and they get it totally wrong. Perhaps I am being icky-picky but it irritates me no end if the hair and style is all wrong. Westerns are a typical example, 1940's cowboy films depict women with 40s waves and curls, make up staying miraculously intact whatever the situation. 1950's Westerns done in a 50s style. In 1960's cowboy films the women wear modified 'beehives' sporting 60s make-up. Today in contrast hair of the actors or actresses often looks too well cut, coloured and conditioned and that can look just as unrealistic to me.

Westerns are just an example but any historical costume drama that is supposed to be in a particular time (even Biblical) is spoilt for me by inaccuracies like this. Biblical epic movies where the actress often is wearing a 50s foundation bra is hilarious.