An imaging apparatus that captures a tomographic image of a subject includes: a first tomographic image acquisition unit to acquire a first tomographic image of the subject, a tomographic image analysis unit to analyze the first tomographic image, an image capturing parameter setting unit to set an image capturing parameter for capturing a second tomographic image of the subject according to a result of analysis by the tomographic image analysis unit, a second tomographic image acquisition unit to acquire the second tomographic image captured according to the image capturing parameter set by the image capturing parameter setting unit, and a correction unit to correct positional deviation of the first tomographic image by using the second tomographic image.
