A light-scanning endoscope is provided with: a light-scanner that causes an optical fiber to be vibrated a controller that causes light to be emitted from the optical fiber with the same phase as the vibrations an adjusting unit that adjusts a distortion correction amount on the basis of a shape of a row of irradiation positions of the light on an imaging subject and a phase correcting unit that corrects the phase in which the light is emitted on the basis of the adjusted distortion correction amount.
