Old microscope camera / lamp, Carl Zeiss Jena Opton, vintage in good condition, untested marked Carl Zeiss Jena, Made in Germany transformer marked Zeiss Opton, Prim 120-150 220V see photos Consult my other items Reduced shipping costs in case group purchase Condition: Used: Item having been used. See the seller's description for more details... Used: Item that has been used. any imperfections.