Im a total newbie and have been reading up and practicing alot recently.

I have a question about short lenses and wide angles. It occurs to me that a short lense (say 20 or 28mm) would have a wide angle effect when compared to a longer lense that has a narrower field of view.

If this is so, are lenses advertised as wide angle lenses costing more because they allow longer lenses to have a wider field of view? Or is it that I am getting a wide field of view (due to shortness of lense) mixed up with a wide angle lense ?