>>3803511The 35mm x 24mm frame size corresponds more closely to metric paper sizes. It enlarges almost perfectly to A3, ie a magazine's double page spread or, in the case of a vertical pic, a full page or front cover.
Admittedly in recent years a lot of magazines have favoured what are known in the industry as bastard sizes but the primary impetus for that has been to try and stand out on increasingly crowded news stands.
