in the disclosed motor driven camera , a motor drive is removably attached to a camera body and includes a grip which is fitted to the camera body . separate switches respond to separate operating members on the upper surface of the grip and the side face of the drive device . a terminal on the camera body provides a signal to a control device and a second terminal on the motor drive connects electrically to the first terminal when the motor drive is attached to the camera body so as to furnish a signal , corresponding to the switching action of either of the switches , to the control circuit . the operational positions of the first and second release switches facilitate camera release in either the horizontal or vertical positions of the camera .