A fundus photographing apparatus includes a measurement unit (3) including an optical coherence tomography system (200) for obtaining a tomographic image of the fundus of an examinee's eye by detecting an interference state between measurement light from the fundus of the examinee's eye and reference light, a detection means for detecting an alignment state perceived as a relative positional relationship between the measurement unit and the examinee's eye, and a control means (70) for adjusting the optical coherence tomography system with respect to the fundus of the examinee's eye based on a detection result from the detection means. The adjustment of the optical coherence tomography system includes at least one of an optical path length adjustment, which adjusts an optical path length difference between the measurement light and the reference light, and a focus adjustment.
