The analog version of Rotograph Evo accepts all standard 15x30cm flat cassettes. If the device is appareled with CR phosphor plates does not have the compatibility with 15x30 format,a request a specific cassette holder for using 24x30cm cassettes can be placed for panoramic images. You can install the optional ceph arm any time that accepts all standard formats having 18x24 cm, 24x30cm, 8x10 cassettes and CR plates.