Provided is a control device, including: a receiving unit that receives a signal from an imaging core including an optical transceiver and an ultrasound transceiver; a determination unit that determines whether or not it is in a state where the ultrasound transceiver can properly execute transmission and reception, based on at least one of the signal from the optical transceiver and the signal from the ultrasound transceiver which are received by the receiving unit; and a control unit that controls execution of an optical path adjustment for imaging with the optical transceiver when the determination unit determines that the ultrasound transceiver can properly execute the transmission and reception.