A dust remover according to the present disclosure forms an air flow in a space formed between a charge-coupled device and a shutter unit, and removes dust on a surface of the charge-coupled device, the dust remover comprising an air injector having a plurality of air injecting holes; an air discharger which is installed on a surface facing the air injector, and has at least one air discharging hole which is smaller than the air injecting hole; and an exhausting dust collecting filter which is installed in the air discharger, and collects dust in the air being discharged.