This is the “Erdzielfernrohr FlaK Z.F. 20 E” or in English “Ground Target Scope 20 E” for a German Heavy FlaK. The optic sight was manufactured by Carl Zeiss in Jena between 1941 and 1945 and was used in combination with heavy FlaK guns, like the 128mm FlaK 40, to engage ground or naval targets.
Specifications
- Magnification: 4×
- Field of view: 17.5°
- Exit pupil: 4 mm
- Year of manufacture: Approximately 1941 to 1945
- Weight: 9.1 kg
- Manufacturer: Fa. Carl Zeiss, Jena (blc)
- Special feature: Window for electric reticle illumination,
- Ballistics for 12.8 cm FlaK
