FILM VS BOOK

The differences between the book and the film are few, because obviously the film is wide and there are more things added. But the big difference is the time, in the film it seems that is in our time because of the arms,  it uses guns and other moderns arms, the dress, the city, all is more modern. And in the book all the aspects are related to the Medieval times, another difference it's the dialogue, in the book the English is understandable and in the film it's an old English and it's difficult to understand.