Zeiss Jena Anastigmat 350mm f/12.5 Brass Lens Set – ca. Early 1900s – With Protar Lenses – Rare
An exceptionally rare and historically significant Zeiss Jena brass lens set from the early 1900s. It includes a 350mm f/12.5 Anastigmat lens in solid brass construction, accompanied by two Zeiss Protar front elements (R=224mm and R=285mm), all housed in the original Zeiss leather case.
Key Features:
• Main Lens: Zeiss Jena Anastigmat 12.5/350mm in brass mount
• Convertible System: Includes Zeiss Protar elements R=224mm and R=285mm
• Aperture control ring present, though the aperture blades are missing
• Early Zeiss optical craftsmanship, circa 1900
• Mounting diameter approx. 44mm
• Lens height approx. 45mm
• Front element diameter (Anastigmat) approx. 33mm
Condition:
• Optics: Good for age; may show dust or light cleaning marks typical for antique lenses
• Mechanics: Aperture ring intact, but no aperture blades
• Exterior: Solid brass with attractive patina
• Case: Original Zeiss leather box, structurally fragile with a very loose lid
• Overall: A well-preserved and very rare collector’s set
Scope of Delivery:
Scope of delivery as shown in the pictures.
Conclusion:
A rare opportunity to acquire an early Zeiss Jena brass lens set with Protar convertible elements. Ideal for collectors of historical optics or as a display piece. Although the aperture is incomplete, the ensemble retains significant historical and collectible value.
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