The Toyo-View 4x5 Long Bellow is apt to be used with long-focus lenses, thereby making it ideal for macro photography.It extends up to 30", and it is compatible with the Toyo 4x5 camera, C, F, G, GB, GII, GX, and Robos camerasThe Toyo G/GX bellow features an internal frame,  which minimizes blurred image during movements