1. A photography system comprising: an observation scope inserted into a hole of a case in which a plurality of sets of subject groups, each of which includes a plurality of subjects that are cyclically disposed around a rotary shaft and rotate around the rotary shaft, are housed along with the rotary shaft and a plurality of holes are formed to penetrate through the case, the observation scope being configured to sequentially acquire light from the plurality of subjects included in one set of subject groups among the plurality of sets of subject groups; an imaging section configured to continuously image light acquired by the observation scope to generate an image in a state in which the plurality of sets of subject groups rotate; and a display section configured to display the image generated by the imaging section, wherein a plurality of observation scopes are inserted into the plurality of holes in correspondence with the plurality of sets of subject groups, the imaging section simultaneously images light acquired by the plurality of observation scopes to generate a plurality of images corresponding to the plurality of sets of subject groups, and the display section simultaneously displays the plurality of images.