A medication delivery device (1) comprises an indicator element (3) having indications (300) and a magnifying device located over an indication position (32). The magnifying device (4) comprises an optical system (5) with a magnifying lens (43) wherein the optical system (5) is constructed such that the optical path length between the indication position (32) and the magnifying lens (43) is enlarged. As an example, the medication delivery device (1) is a pen-type device, wherein a dose dial element (30) having a dosage scale (31) is disposed. The magnifying device (4) generates a magnified image of the dosage scale (31) so that the size of the selected dose (33) of the medical product is visible through a window (41). A method for assembling the medication delivery device (1) includes providing a medication delivery device (1) having a receptacle and mounting an element of the magnifying device (4) at the receptacle.
