An iris of a mobile terminal includes a cover having a through hole therein and forming an internal space, a first blade disposed in the internal space and having a first through hole communicating with the through hole, a second blade disposed to overlap the first blade in at least a portion thereof within the internal space, communicating with the through hole, and having a second through hole formed to adjust a region in which light is incident through interference with the first through hole, and a link member connected to one end portion of each of the first and second blades and varying an aperture of the iris by moving at least one of the first and second blades.