An imaging apparatus according to the present invention includes a first camera and a second camera, and performing photography using the first camera and the second camera, and generating a composite image from a plurality of images acquired by the photography, the imaging apparatus comprising at least one memory and at least one processor which function as: an acquiring unit configured to acquire two images by performing a first photography and a second photography, which is performed after a time lag from the first photography; and a generating unit configured to generate a composite image having a visual field range of 360 degrees by compositing a first image acquired by performing photography for a first range in the first photography and a second image acquired by performing photography for a second range in the second photography.