| http://www.w3.org/ns/prov#value | - They are the 25mm f/2.8 Distagon (10 glass, eight group); the 35mm f/2 Distagon (nine glass, seven group); the 50mm f/2 Makro-Planar (eight glass, six group, including one floating element); and the 100mm f/2 Makro-Planar (nine glass, eight group).
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