-) The (newer) one with open center and open compartments.
It takes up to 120 slides up to 2.5mm thick.
It needs the Universal-Standard type guiding at the projector.
-) The (older) one with closed center and compartments covered with transparent cap.
It takes up to 100 slides up to 3.2mm thick.
It needs the Paximat type guiding at the projector.