Rare vintage Zeiss/Goerz lens — a pre-war large format optic of historical interest.
The Carl Zeiss Jena 10cm f/9 Goerz-Dagor is a vintage large format lens from the pre-war era. The Dagor (DOppel-Anastigmat GoeRz) formula was one of the most important optical designs in photography history.
The Dagor formula — a symmetrical 6-element design — provided excellent correction for its era. The f/9 aperture was standard for large format lenses. The 10cm (100mm) focal length is a standard lens for 4x5 format.
Large format barrel mount — designed for view cameras. No camera mount — mounts on lensboard. The Carl Zeiss Jena designation indicates East German or pre-war production. Historical Goerz optical heritage.
Available used at various prices depending on condition and rarity. A museum piece and historical curiosity. The Dagor formula influenced lens design for decades. For large format photographers and optical history collectors.