One embodiment of an iris recognition camera can comprise: a liquid lens capable of adjusting the curvature of a lens front surface; a first adjusting part for adjusting the curvature of the front surface, of the liquid lens, to which the light is incident; an angle changing part rotating so as to change the angle in the direction of an optical axis of the liquid lens; and a second adjusting part for adjusting the rotational angle of the angle changing part.