170 - Carl Zeiss Jena | Biotar 2/85 mm Prototype

Carl Zeiss Jena | Biotar 2/85 mm Prototype Estimate: €5,000–6,000 Year: c. 1961 Serial No.: 6163012 Condition: B+ English: Experimental Carl Zeiss Jena portrait lens in original M42 screw mount. Engraved “Biotar 1:2/85 6163012” and bearing the Q1 quality mark, the lens is housed in a substantial aluminum preset focusing mount characteristic of Carl Zeiss Jena production in the early 1960s. The Biotar 2/85 mm never entered regular production; Carl Zeiss Jena’s established Biotar portrait lens was the famous 1.5/75 mm, while the 85 mm focal length was normally represented by the Sonnar 2/85. It is in very fine condition with clear and clean optics. An exceptionally rare and apparently factory-made experimental Carl Zeiss Jena lens, representing an unpublished 85 mm development of the legendary Biotar family. German: Carl Zeiss Jena prototype portrait lens with original M42 screw mount. Engraved “Biotar 1:2/85 6163012” and marked with the Q1 quality mark, in a solid aluminum focusing barrel with a preset aperture ring, as was typical for Carl Zeiss Jena production in the early 1960s. The Biotar 2/85mm was never regularly mass-produced. The established portrait Biotar from Carl Zeiss Jena was the 1.5/75mm, while the 85mm focal length was normally covered by the Sonnar 2/85mm. In very good condition with clear, clean lenses. An exceptionally rare, apparently factory-produced experimental Carl Zeiss Jena lens that represents a previously unpublished 85mm development variant of the legendary Biotar family.