Contameter Contax Zeiss Ikon (Close-up lens and finder set) By using this close-up filter, close-up shots at 20cm, 30cm, and 50cm are possible. Because it's a rangefinder, there are three finders for the filters used (for 20cm, 30cm, and 50cm). There is some clouding inside the finder. Close-up lens (995/34) for 42φ snap-on 20cm 30cm 50cm finder #1340 #Contameter Contax Zeiss Ikon