The Speedlite EL-1 is the next generation, all-purpose flash that professionals and advanced amateurs have been seeking, providing durability, reliability and a range of power that opens up a number of possibilities. The new Xenon flash tube offers increased stability for flash output and 14 f-stops of total flash exposure range allowing you to shoot anywhere from a bright 1/1 to a dim, low power 1/8192 to precisely sculpt your scene with light